122929053321 has 4 divisors (see below), whose sum is σ = 163905404432. Its totient is φ = 81952702212.

The previous prime is 122929053257. The next prime is 122929053329. The reversal of 122929053321 is 123350929221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 122929053321 - 2⁶ = 122929053257 is a prime.

It is a super-2 number, since 2×122929053321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122929053321.

It is not an unprimeable number, because it can be changed into a prime (122929053329) 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, 20488175551 + ... + 20488175556.

It is an arithmetic number, because the mean of its divisors is an integer number (40976351108).

Almost surely, 2^122929053321 is an apocalyptic number.

It is an amenable number.

122929053321 is a deficient number, since it is larger than the sum of its proper divisors (40976351111).

122929053321 is an equidigital number, since it uses as much as digits as its factorization.

122929053321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40976351110.

The product of its (nonzero) digits is 58320, while the sum is 39.

The spelling of 122929053321 in words is "one hundred twenty-two billion, nine hundred twenty-nine million, fifty-three thousand, three hundred twenty-one".