112111111111020 has 96 divisors (see below), whose sum is σ = 358758383692800. Its totient is φ = 25625194815744.

The previous prime is 112111111111019. The next prime is 112111111111033. The reversal of 112111111111020 is 20111111111211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 55963041 + ... + 57931719.

It is an arithmetic number, because the mean of its divisors is an integer number (3737066496800).

Almost surely, 2^{112111111111020} is an apocalyptic number.

112111111111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112111111111020 is an abundant number, since it is smaller than the sum of its proper divisors (246647272581780).

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

112111111111020 is a wasteful number, since it uses less digits than its factorization.

112111111111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104287 (or 2104285 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 15.

Adding to 112111111111020 its reverse (20111111111211), we get a palindrome (132222222222231).

The spelling of 112111111111020 in words is "one hundred twelve trillion, one hundred eleven billion, one hundred eleven million, one hundred eleven thousand, twenty".