79910010212201 has 4 divisors (see below), whose sum is σ = 86056934074692. Its totient is φ = 73763086349712.

The previous prime is 79910010212177. The next prime is 79910010212257. The reversal of 79910010212201 is 10221201001997.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24259171129600 + 55650839082601 = 4925360^2 + 7459949^2 .

It is a cyclic number.

It is not a de Polignac number, because 79910010212201 - 2¹⁴ = 79910010195817 is a prime.

It is a super-2 number, since 2×79910010212201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79910010215201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3073461931226 + ... + 3073461931251.

It is an arithmetic number, because the mean of its divisors is an integer number (21514233518673).

Almost surely, 2^{79910010212201} is an apocalyptic number.

It is an amenable number.

79910010212201 is a deficient number, since it is larger than the sum of its proper divisors (6146923862491).

79910010212201 is a wasteful number, since it uses less digits than its factorization.

79910010212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6146923862490.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 79910010212201 in words is "seventy-nine trillion, nine hundred ten billion, ten million, two hundred twelve thousand, two hundred one".