122251346321 has 32 divisors (see below), whose sum is σ = 140941285632. Its totient is φ = 105178106880.

The previous prime is 122251346299. The next prime is 122251346323. The reversal of 122251346321 is 123643152221.

It is a cyclic number.

It is not a de Polignac number, because 122251346321 - 2¹⁰ = 122251345297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122251346323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1777901 + ... + 1845381.

It is an arithmetic number, because the mean of its divisors is an integer number (4404415176).

Almost surely, 2^122251346321 is an apocalyptic number.

It is an amenable number.

122251346321 is a deficient number, since it is larger than the sum of its proper divisors (18689939311).

122251346321 is a wasteful number, since it uses less digits than its factorization.

122251346321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67673.

The product of its digits is 17280, while the sum is 32.

Adding to 122251346321 its reverse (123643152221), we get a palindrome (245894498542).

The spelling of 122251346321 in words is "one hundred twenty-two billion, two hundred fifty-one million, three hundred forty-six thousand, three hundred twenty-one".