122621365321 has 16 divisors (see below), whose sum is σ = 151811632000. Its totient is φ = 97019090064.

The previous prime is 122621365259. The next prime is 122621365331. The reversal of 122621365321 is 123563126221.

It is not a de Polignac number, because 122621365321 - 2⁷ = 122621365193 is a prime.

It is a super-2 number, since 2×122621365321² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122621365331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3971271 + ... + 4002028.

It is an arithmetic number, because the mean of its divisors is an integer number (9488227000).

Almost surely, 2^122621365321 is an apocalyptic number.

It is an amenable number.

122621365321 is a deficient number, since it is larger than the sum of its proper divisors (29190266679).

122621365321 is an frugal number, since it uses more digits than its factorization.

122621365321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7973345 (or 7973319 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The spelling of 122621365321 in words is "one hundred twenty-two billion, six hundred twenty-one million, three hundred sixty-five thousand, three hundred twenty-one".