112111111020 has 96 divisors (see below), whose sum is σ = 332287845120. Its totient is φ = 28194082560.

The previous prime is 112111111019. The next prime is 112111111037. The reversal of 112111111020 is 20111111211.

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 = 112111110987 and 112111111005.

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, 674386 + ... + 824025.

It is an arithmetic number, because the mean of its divisors is an integer number (3461331720).

Almost surely, 2^112111111020 is an apocalyptic number.

112111111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112111111020 is an abundant number, since it is smaller than the sum of its proper divisors (220176734100).

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

112111111020 is a wasteful number, since it uses less digits than its factorization.

112111111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498495 (or 1498493 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 112111111020 its reverse (20111111211), we get a palindrome (132222222231).

The spelling of 112111111020 in words is "one hundred twelve billion, one hundred eleven million, one hundred eleven thousand, twenty".