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1121202010220 = 2251071633214271
BaseRepresentation
bin10000010100001100110…
…110001111100001101100
310222012000111101111000112
4100110030312033201230
5121332210203311340
62215023442115152
7144001300561265
oct20241466174154
93865014344015
101121202010220
113a255433a096
1216136834bab8
13819624cc356
143c3a328396c
151e272003065
hex1050cd8f86c

1121202010220 has 48 divisors (see below), whose sum is σ = 2391109797888. Its totient is φ = 441563555520.

The previous prime is 1121202010189. The next prime is 1121202010301. The reversal of 1121202010220 is 220102021211.

It is a junction number, because it is equal to n+sod(n) for n = 1121202010195 and 1121202010204.

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, 1258316 + ... + 1955955.

It is an arithmetic number, because the mean of its divisors is an integer number (49814787456).

Almost surely, 21121202010220 is an apocalyptic number.

1121202010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121202010220 is an abundant number, since it is smaller than the sum of its proper divisors (1269907787668).

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

1121202010220 is a wasteful number, since it uses less digits than its factorization.

1121202010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3214550 (or 3214548 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1121202010220 its reverse (220102021211), we get a palindrome (1341304031431).

The spelling of 1121202010220 in words is "one trillion, one hundred twenty-one billion, two hundred two million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 107 163 214 326 428 535 652 815 1070 1630 2140 3260 17441 34882 69764 87205 174410 348820 3214271 6428542 12857084 16071355 32142710 64285420 343926997 523926173 687853994 1047852346 1375707988 1719634985 2095704692 2619630865 3439269970 5239261730 6878539940 10478523460 56060100511 112120201022 224240402044 280300502555 560601005110 1121202010220