122553701221 has 4 divisors (see below), whose sum is σ = 140061372832. Its totient is φ = 105046029612.

The previous prime is 122553701189. The next prime is 122553701261. The reversal of 122553701221 is 122107355221.

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 a cyclic number.

It is not a de Polignac number, because 122553701221 - 2⁵ = 122553701189 is a prime.

It is a super-2 number, since 2×122553701221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122553701261) 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, 8753835795 + ... + 8753835808.

It is an arithmetic number, because the mean of its divisors is an integer number (35015343208).

Almost surely, 2^122553701221 is an apocalyptic number.

It is an amenable number.

122553701221 is a deficient number, since it is larger than the sum of its proper divisors (17507671611).

122553701221 is an equidigital number, since it uses as much as digits as its factorization.

122553701221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17507671610.

The product of its (nonzero) digits is 8400, while the sum is 31.

The spelling of 122553701221 in words is "one hundred twenty-two billion, five hundred fifty-three million, seven hundred one thousand, two hundred twenty-one".