791211010102121 has 32 divisors (see below), whose sum is σ = 931180084224000. Its totient is φ = 658306428766272.

The previous prime is 791211010102111. The next prime is 791211010102211. The reversal of 791211010102121 is 121201010112197.

It is a cyclic number.

It is not a de Polignac number, because 791211010102121 - 2¹⁸ = 791211009839977 is a prime.

It is a super-2 number, since 2×791211010102121² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (791211010102111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2118101 + ... + 39836018.

It is an arithmetic number, because the mean of its divisors is an integer number (29099377632000).

Almost surely, 2^{791211010102121} is an apocalyptic number.

It is an amenable number.

791211010102121 is a deficient number, since it is larger than the sum of its proper divisors (139969074121879).

791211010102121 is a wasteful number, since it uses less digits than its factorization.

791211010102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41954781.

The product of its (nonzero) digits is 504, while the sum is 29.

The spelling of 791211010102121 in words is "seven hundred ninety-one trillion, two hundred eleven billion, ten million, one hundred two thousand, one hundred twenty-one".