2100012200131 has 2 divisors, whose sum is σ = 2100012200132. Its totient is φ = 2100012200130.

The previous prime is 2100012200107. The next prime is 2100012200203. The reversal of 2100012200131 is 1310022100012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100012200131 is a prime.

It is a super-2 number, since 2×2100012200131² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2100012209131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050006100065 + 1050006100066.

It is an arithmetic number, because the mean of its divisors is an integer number (1050006100066).

Almost surely, 2^{2100012200131} is an apocalyptic number.

2100012200131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100012200131 is an equidigital number, since it uses as much as digits as its factorization.

2100012200131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 2100012200131 its reverse (1310022100012), we get a palindrome (3410034300143).

The spelling of 2100012200131 in words is "two trillion, one hundred billion, twelve million, two hundred thousand, one hundred thirty-one".