2123131102311 has 16 divisors (see below), whose sum is σ = 2838386960640. Its totient is φ = 1411649870400.

The previous prime is 2123131102247. The next prime is 2123131102333. The reversal of 2123131102311 is 1132011313212.

It is not a de Polignac number, because 2123131102311 - 2⁶ = 2123131102247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123131102381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4321011 + ... + 4787211.

It is an arithmetic number, because the mean of its divisors is an integer number (177399185040).

Almost surely, 2^{2123131102311} is an apocalyptic number.

2123131102311 is a deficient number, since it is larger than the sum of its proper divisors (715255858329).

2123131102311 is a wasteful number, since it uses less digits than its factorization.

2123131102311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470246.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 2123131102311 its reverse (1132011313212), we get a palindrome (3255142415523).

The spelling of 2123131102311 in words is "two trillion, one hundred twenty-three billion, one hundred thirty-one million, one hundred two thousand, three hundred eleven".