111312303031122 has 32 divisors (see below), whose sum is σ = 224868298849920. Its totient is φ = 36730952106240.

The previous prime is 111312303031051. The next prime is 111312303031169. The reversal of 111312303031122 is 221130303213111.

It is a junction number, because it is equal to n+sod(n) for n = 111312303031092 and 111312303031101.

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, 99429622 + ... + 100542897.

It is an arithmetic number, because the mean of its divisors is an integer number (7027134339060).

Almost surely, 2^{111312303031122} is an apocalyptic number.

111312303031122 is an abundant number, since it is smaller than the sum of its proper divisors (113555995818798).

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

111312303031122 is a wasteful number, since it uses less digits than its factorization.

111312303031122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199973458.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 111312303031122 its reverse (221130303213111), we get a palindrome (332442606244233).

The spelling of 111312303031122 in words is "one hundred eleven trillion, three hundred twelve billion, three hundred three million, thirty-one thousand, one hundred twenty-two".