111022123231031 has 32 divisors (see below), whose sum is σ = 115389575421120. Its totient is φ = 106734218572800.

The previous prime is 111022123231021. The next prime is 111022123231109. The reversal of 111022123231031 is 130132321220111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111022123231031 - 2³⁴ = 111004943361847 is a prime.

It is a super-2 number, since 2×111022123231031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111022123230988 and 111022123231006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111022123231021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2243889065 + ... + 2243938541.

It is an arithmetic number, because the mean of its divisors is an integer number (3605924231910).

Almost surely, 2^{111022123231031} is an apocalyptic number.

111022123231031 is a deficient number, since it is larger than the sum of its proper divisors (4367452190089).

111022123231031 is a wasteful number, since it uses less digits than its factorization.

111022123231031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51635.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 111022123231031 its reverse (130132321220111), we get a palindrome (241154444451142).

The spelling of 111022123231031 in words is "one hundred eleven trillion, twenty-two billion, one hundred twenty-three million, two hundred thirty-one thousand, thirty-one".