11112223031112 has 64 divisors (see below), whose sum is σ = 31840705105920. Its totient is φ = 3165771221568.

The previous prime is 11112223031093. The next prime is 11112223031123. The reversal of 11112223031112 is 21113032221111.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95250328 + ... + 95366919.

It is an arithmetic number, because the mean of its divisors is an integer number (497511017280).

Almost surely, 2^{11112223031112} is an apocalyptic number.

11112223031112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11112223031112 is an abundant number, since it is smaller than the sum of its proper divisors (20728482074808).

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

11112223031112 is a wasteful number, since it uses less digits than its factorization.

11112223031112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190617610 (or 190617606 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 11112223031112 its reverse (21113032221111), we get a palindrome (32225255252223).

The spelling of 11112223031112 in words is "eleven trillion, one hundred twelve billion, two hundred twenty-three million, thirty-one thousand, one hundred twelve".