122313013221 has 16 divisors (see below), whose sum is σ = 189540748800. Its totient is φ = 68708520048.

The previous prime is 122313013189. The next prime is 122313013223. The reversal of 122313013221 is 122310313221.

It is not a de Polignac number, because 122313013221 - 2⁵ = 122313013189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122313013223) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 49358331 + ... + 49360808.

It is an arithmetic number, because the mean of its divisors is an integer number (11846296800).

Almost surely, 2^122313013221 is an apocalyptic number.

It is an amenable number.

122313013221 is a deficient number, since it is larger than the sum of its proper divisors (67227735579).

122313013221 is an equidigital number, since it uses as much as digits as its factorization.

122313013221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98719208.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 122313013221 its reverse (122310313221), we get a palindrome (244623326442).

The spelling of 122313013221 in words is "one hundred twenty-two billion, three hundred thirteen million, thirteen thousand, two hundred twenty-one".