79121323102 has 8 divisors (see below), whose sum is σ = 119191350096. Its totient is φ = 39390873072.

The previous prime is 79121323091. The next prime is 79121323117. The reversal of 79121323102 is 20132312197.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×79121323102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84893658 + ... + 84894589.

It is an arithmetic number, because the mean of its divisors is an integer number (14898918762).

Almost surely, 2^79121323102 is an apocalyptic number.

79121323102 is a deficient number, since it is larger than the sum of its proper divisors (40070026994).

79121323102 is a wasteful number, since it uses less digits than its factorization.

79121323102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169788482.

The product of its (nonzero) digits is 4536, while the sum is 31.

Adding to 79121323102 its reverse (20132312197), we get a palindrome (99253635299).

The spelling of 79121323102 in words is "seventy-nine billion, one hundred twenty-one million, three hundred twenty-three thousand, one hundred two".