112211121020 has 96 divisors (see below), whose sum is σ = 242636083200. Its totient is φ = 43569757440.

The previous prime is 112211121019. The next prime is 112211121031. The reversal of 112211121020 is 20121112211.

It is a junction number, because it is equal to n+sod(n) for n = 112211120986 and 112211121004.

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, 74262065 + ... + 74263575.

It is an arithmetic number, because the mean of its divisors is an integer number (2527459200).

Almost surely, 2^112211121020 is an apocalyptic number.

112211121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112211121020 is an abundant number, since it is smaller than the sum of its proper divisors (130424962180).

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

112211121020 is a wasteful number, since it uses less digits than its factorization.

112211121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163 (or 2161 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 112211121020 its reverse (20121112211), we get a palindrome (132332233231).

The spelling of 112211121020 in words is "one hundred twelve billion, two hundred eleven million, one hundred twenty-one thousand, twenty".