2122100031 has 8 divisors (see below), whose sum is σ = 2830022064. Its totient is φ = 1414455680.

The previous prime is 2122100011. The next prime is 2122100033. The reversal of 2122100031 is 1300012212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2122100031 - 2⁹ = 2122099519 is a prime.

It is a super-2 number, since 2×2122100031² = 9006617083140401922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122100033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50880 + ... + 82661.

It is an arithmetic number, because the mean of its divisors is an integer number (353752758).

Almost surely, 2^2122100031 is an apocalyptic number.

2122100031 is a deficient number, since it is larger than the sum of its proper divisors (707922033).

2122100031 is a wasteful number, since it uses less digits than its factorization.

2122100031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138841.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2122100031 is about 46066.2569675462. The cubic root of 2122100031 is about 1285.0556948209.

Adding to 2122100031 its reverse (1300012212), we get a palindrome (3422112243).

The spelling of 2122100031 in words is "two billion, one hundred twenty-two million, one hundred thousand, thirty-one".