2102101234431 has 16 divisors (see below), whose sum is σ = 3062639059968. Its totient is φ = 1271901888000.

The previous prime is 2102101234423. The next prime is 2102101234483. The reversal of 2102101234431 is 1344321012012.

It is not a de Polignac number, because 2102101234431 - 2³ = 2102101234423 is a prime.

It is a super-2 number, since 2×2102101234431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102101234931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52451170 + ... + 52491231.

It is an arithmetic number, because the mean of its divisors is an integer number (191414941248).

Almost surely, 2^{2102101234431} is an apocalyptic number.

2102101234431 is a deficient number, since it is larger than the sum of its proper divisors (960537825537).

2102101234431 is a wasteful number, since it uses less digits than its factorization.

2102101234431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104943022.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 2102101234431 its reverse (1344321012012), we get a palindrome (3446422246443).

The spelling of 2102101234431 in words is "two trillion, one hundred two billion, one hundred one million, two hundred thirty-four thousand, four hundred thirty-one".