2112022431 has 10 divisors (see below), whose sum is σ = 3154996592. Its totient is φ = 1408014900.

The previous prime is 2112022427. The next prime is 2112022433. The reversal of 2112022431 is 1342202112.

It is a happy number.

2112022431 is a `hidden beast` number, since 211 + 2 + 0 + 22 + 431 = 666.

It is not a de Polignac number, because 2112022431 - 2² = 2112022427 is a prime.

It is a super-2 number, since 2×2112022431² = 8921277498094299522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112022433) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13037095 + ... + 13037256.

Almost surely, 2^2112022431 is an apocalyptic number.

2112022431 is a deficient number, since it is larger than the sum of its proper divisors (1042974161).

2112022431 is an equidigital number, since it uses as much as digits as its factorization.

2112022431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26074363 (or 26074354 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2112022431 is about 45956.7452176500. The cubic root of 2112022431 is about 1283.0182741668.

Adding to 2112022431 its reverse (1342202112), we get a palindrome (3454224543).

The spelling of 2112022431 in words is "two billion, one hundred twelve million, twenty-two thousand, four hundred thirty-one".