122202202202221 has 4 divisors (see below), whose sum is σ = 122600254978432. Its totient is φ = 121804149426012.

The previous prime is 122202202202183. The next prime is 122202202202237.

122202202202221 is nontrivially palindromic in base 10.

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 a de Polignac number, because none of the positive numbers 2^k-122202202202221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122202202202192 and 122202202202201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122202202202291) 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, 199026387645 + ... + 199026388258.

It is an arithmetic number, because the mean of its divisors is an integer number (30650063744608).

Almost surely, 2^{122202202202221} is an apocalyptic number.

It is an amenable number.

122202202202221 is a deficient number, since it is larger than the sum of its proper divisors (398052776211).

122202202202221 is an equidigital number, since it uses as much as digits as its factorization.

122202202202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398052776210.

The product of its (nonzero) digits is 1024, while the sum is 22.

It can be divided in two parts, 12220220 and 2202221, that added together give a palindrome (14422441).

The spelling of 122202202202221 in words is "one hundred twenty-two trillion, two hundred two billion, two hundred two million, two hundred two thousand, two hundred twenty-one".