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102212222102020 = 225171847162763499
BaseRepresentation
bin10111001111011000100011…
…001100001010101000000100
3111101220101121111111011210101
4113033120203030022220010
5101344121112324231040
61001215351355533444
730346406101560652
oct2717304314125004
9441811544434711
10102212222102020
112a627a61789318
12b5694b645a284
134505756b863c4
141b35152a97dd2
15bc3b93c1509a
hex5cf62330aa04

102212222102020 has 48 divisors (see below), whose sum is σ = 227394932688000. Its totient is φ = 38459061415424.

The previous prime is 102212222102009. The next prime is 102212222102033. The reversal of 102212222102020 is 20201222212201.

It is a super-3 number, since 3×1022122221020203 (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80753770 + ... + 82009729.

It is an arithmetic number, because the mean of its divisors is an integer number (4737394431000).

Almost surely, 2102212222102020 is an apocalyptic number.

102212222102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102212222102020 is an abundant number, since it is smaller than the sum of its proper divisors (125182710585980).

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

102212222102020 is a wasteful number, since it uses less digits than its factorization.

102212222102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162765372 (or 162765370 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 102212222102020 its reverse (20201222212201), we get a palindrome (122413444314221).

The spelling of 102212222102020 in words is "one hundred two trillion, two hundred twelve billion, two hundred twenty-two million, one hundred two thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 1847 3694 7388 9235 18470 31399 36940 62798 125596 156995 313990 627980 162763499 325526998 651053996 813817495 1627634990 2766979483 3255269980 5533958966 11067917932 13834897415 27669794830 55339589660 300624182653 601248365306 1202496730612 1503120913265 3006241826530 5110611105101 6012483653060 10221222210202 20442444420404 25553055525505 51106111051010 102212222102020