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1112102122220 = 225181307210531
BaseRepresentation
bin10000001011101110011…
…100111011001011101100
310221022112022100021102122
4100023232130323023230
5121210041120402340
62210520452012112
7143226633032465
oct20135634731354
93838468307378
101112102122220
113997047235a1
1215b648901038
1380b4214753b
143bb7c8a9d6c
151dddd194db5
hex102ee73b2ec

1112102122220 has 24 divisors (see below), whose sum is σ = 2348317306608. Its totient is φ = 442383163200.

The previous prime is 1112102122171. The next prime is 1112102122319. The reversal of 1112102122220 is 222212012111.

It is a super-2 number, since 2×11121021222202 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153601646 + ... + 153608885.

It is an arithmetic number, because the mean of its divisors is an integer number (97846554442).

Almost surely, 21112102122220 is an apocalyptic number.

1112102122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112102122220 is an abundant number, since it is smaller than the sum of its proper divisors (1236215184388).

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

1112102122220 is a wasteful number, since it uses less digits than its factorization.

1112102122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307210721 (or 307210719 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1112102122220 its reverse (222212012111), we get a palindrome (1334314134331).

The spelling of 1112102122220 in words is "one trillion, one hundred twelve billion, one hundred two million, one hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 181 362 724 905 1810 3620 307210531 614421062 1228842124 1536052655 3072105310 6144210620 55605106111 111210212222 222420424444 278025530555 556051061110 1112102122220