2100212120131 has 2 divisors, whose sum is σ = 2100212120132. Its totient is φ = 2100212120130.

The previous prime is 2100212120101. The next prime is 2100212120141. The reversal of 2100212120131 is 1310212120012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2100212120131 - 2⁷ = 2100212120003 is a prime.

It is a super-2 number, since 2×2100212120131² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2100212120101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050106060065 + 1050106060066.

It is an arithmetic number, because the mean of its divisors is an integer number (1050106060066).

Almost surely, 2^{2100212120131} is an apocalyptic number.

2100212120131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100212120131 is an equidigital number, since it uses as much as digits as its factorization.

2100212120131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2100212120131 its reverse (1310212120012), we get a palindrome (3410424240143).

The spelling of 2100212120131 in words is "two trillion, one hundred billion, two hundred twelve million, one hundred twenty thousand, one hundred thirty-one".