2131102220023 has 16 divisors (see below), whose sum is σ = 2579014183680. Its totient is φ = 1719074238336.

The previous prime is 2131102219979. The next prime is 2131102220053. The reversal of 2131102220023 is 3200222011312.

It is not a de Polignac number, because 2131102220023 - 2²¹ = 2131100122871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131102220053) 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, 844948 + ... + 2230726.

It is an arithmetic number, because the mean of its divisors is an integer number (161188386480).

Almost surely, 2^{2131102220023} is an apocalyptic number.

2131102220023 is a deficient number, since it is larger than the sum of its proper divisors (447911963657).

2131102220023 is a wasteful number, since it uses less digits than its factorization.

2131102220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398726.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2131102220023 its reverse (3200222011312), we get a palindrome (5331324231335).

The spelling of 2131102220023 in words is "two trillion, one hundred thirty-one billion, one hundred two million, two hundred twenty thousand, twenty-three".