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10102010111220 = 2235829239384871
BaseRepresentation
bin1001001100000000111010…
…1110010110010011110100
31022202202001110020211021210
42103000032232112103310
52311002404042024340
633252444355441420
72061563141106336
oct223001656262364
938682043224253
1010102010111220
113245269392465
121171a068b6270
13583800242691
1426cd2311b456
15127b9a88b180
hex9300eb964f4

10102010111220 has 96 divisors (see below), whose sum is σ = 28331916721920. Its totient is φ = 2689463761920.

The previous prime is 10102010111209. The next prime is 10102010111251. The reversal of 10102010111220 is 2211101020101.

It is a super-2 number, since 2×101020101112202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10102010111196 and 10102010111205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118985385 + ... + 119070255.

It is an arithmetic number, because the mean of its divisors is an integer number (295124132520).

Almost surely, 210102010111220 is an apocalyptic number.

10102010111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10102010111220 is an abundant number, since it is smaller than the sum of its proper divisors (18229906610700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10102010111220 is a wasteful number, since it uses less digits than its factorization.

10102010111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88105 (or 88103 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10102010111220 its reverse (2211101020101), we get a palindrome (12313111131321).

The spelling of 10102010111220 in words is "ten trillion, one hundred two billion, ten million, one hundred eleven thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 829 1658 2393 2487 3316 4145 4786 4974 7179 8290 9572 9948 11965 12435 14358 16580 23930 24870 28716 35895 47860 49740 71790 84871 143580 169742 254613 339484 424355 509226 848710 1018452 1273065 1697420 1983797 2546130 3967594 5092260 5951391 7935188 9918985 11902782 19837970 23805564 29756955 39675940 59513910 70358059 119027820 140716118 203096303 211074177 281432236 351790295 406192606 422148354 609288909 703580590 812385212 844296708 1015481515 1055370885 1218577818 1407161180 2030963030 2110741770 2437155636 3046444545 4061926060 4221483540 6092889090 12185778180 168366835187 336733670374 505100505561 673467340748 841834175935 1010201011122 1683668351870 2020402022244 2525502527805 3367336703740 5051005055610 10102010111220