112112121231020 has 24 divisors (see below), whose sum is σ = 235444267903824. Its totient is φ = 44843169765056.

The previous prime is 112112121230981. The next prime is 112112121231107. The reversal of 112112121231020 is 20132121211211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 112112121230983 and 112112121231001.

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, 104372762 + ... + 105441441.

It is an arithmetic number, because the mean of its divisors is an integer number (9810177829326).

Almost surely, 2^{112112121231020} is an apocalyptic number.

112112121231020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112112121231020 is an abundant number, since it is smaller than the sum of its proper divisors (123332146672804).

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

112112121231020 is a wasteful number, since it uses less digits than its factorization.

112112121231020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209840929 (or 209840927 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 112112121231020 its reverse (20132121211211), we get a palindrome (132244242442231).

The spelling of 112112121231020 in words is "one hundred twelve trillion, one hundred twelve billion, one hundred twenty-one million, two hundred thirty-one thousand, twenty".