111130422021 has 12 divisors (see below), whose sum is σ = 161676555040. Its totient is φ = 73553947560.

The previous prime is 111130421959. The next prime is 111130422061. The reversal of 111130422021 is 120224031111.

111130422021 is a `hidden beast` number, since 111 + 130 + 422 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 111130422021 - 2⁶ = 111130421957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111130421985 and 111130422003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111130422061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44415385 + ... + 44417886.

Almost surely, 2^111130422021 is an apocalyptic number.

It is an amenable number.

111130422021 is a deficient number, since it is larger than the sum of its proper divisors (50546133019).

111130422021 is a wasteful number, since it uses less digits than its factorization.

111130422021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88833416 (or 88833413 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 111130422021 its reverse (120224031111), we get a palindrome (231354453132).

The spelling of 111130422021 in words is "one hundred eleven billion, one hundred thirty million, four hundred twenty-two thousand, twenty-one".