2131211213097 has 16 divisors (see below), whose sum is σ = 2858769607680. Its totient is φ = 1412230974992.

The previous prime is 2131211213083. The next prime is 2131211213129. The reversal of 2131211213097 is 7903121121312.

It is a cyclic number.

It is not a de Polignac number, because 2131211213097 - 2³⁴ = 2114031343913 is a prime.

It is a super-2 number, since 2×2131211213097² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2131211213897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11510818 + ... + 11694500.

It is an arithmetic number, because the mean of its divisors is an integer number (178673100480).

Almost surely, 2^{2131211213097} is an apocalyptic number.

It is an amenable number.

2131211213097 is a deficient number, since it is larger than the sum of its proper divisors (727558394583).

2131211213097 is a wasteful number, since it uses less digits than its factorization.

2131211213097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207012.

The product of its (nonzero) digits is 4536, while the sum is 33.

The spelling of 2131211213097 in words is "two trillion, one hundred thirty-one billion, two hundred eleven million, two hundred thirteen thousand, ninety-seven".