1112103131220 has 96 divisors (see below), whose sum is σ = 3461586710400. Its totient is φ = 296414237952.

The previous prime is 1112103131197. The next prime is 1112103131327. The reversal of 1112103131220 is 221313012111.

1112103131220 is a `hidden beast` number, since 11 + 121 + 0 + 313 + 1 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1112103131193 and 1112103131202.

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, 586576 + ... + 1602584.

It is an arithmetic number, because the mean of its divisors is an integer number (36058194900).

Almost surely, 2^{1112103131220} is an apocalyptic number.

1112103131220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112103131220 is an abundant number, since it is smaller than the sum of its proper divisors (2349483579180).

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

1112103131220 is a wasteful number, since it uses less digits than its factorization.

1112103131220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018054 (or 1018046 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1112103131220 its reverse (221313012111), we get a palindrome (1333416143331).

The spelling of 1112103131220 in words is "one trillion, one hundred twelve billion, one hundred three million, one hundred thirty-one thousand, two hundred twenty".