2102012202131 has 2 divisors, whose sum is σ = 2102012202132. Its totient is φ = 2102012202130.

The previous prime is 2102012202119. The next prime is 2102012202137. The reversal of 2102012202131 is 1312022102012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102012202131 is a prime.

It is a super-2 number, since 2×2102012202131² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2102012202137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051006101065 + 1051006101066.

It is an arithmetic number, because the mean of its divisors is an integer number (1051006101066).

Almost surely, 2^{2102012202131} is an apocalyptic number.

2102012202131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102012202131 is an equidigital number, since it uses as much as digits as its factorization.

2102012202131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2102012202131 its reverse (1312022102012), we get a palindrome (3414034304143).

The spelling of 2102012202131 in words is "two trillion, one hundred two billion, twelve million, two hundred two thousand, one hundred thirty-one".