79122332021011 has 4 divisors (see below), whose sum is σ = 79626295919392. Its totient is φ = 78618368122632.

The previous prime is 79122332020987. The next prime is 79122332021119. The reversal of 79122332021011 is 11012023322197.

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

It is a cyclic number.

It is not a de Polignac number, because 79122332021011 - 2¹³ = 79122332012819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79122332081011) 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, 251981948955 + ... + 251981949268.

It is an arithmetic number, because the mean of its divisors is an integer number (19906573979848).

Almost surely, 2^{79122332021011} is an apocalyptic number.

79122332021011 is a deficient number, since it is larger than the sum of its proper divisors (503963898381).

79122332021011 is a wasteful number, since it uses less digits than its factorization.

79122332021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503963898380.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 79122332021011 in words is "seventy-nine trillion, one hundred twenty-two billion, three hundred thirty-two million, twenty-one thousand, eleven".