122022211121 has 4 divisors (see below), whose sum is σ = 127327524672. Its totient is φ = 116716897572.

The previous prime is 122022211117. The next prime is 122022211127. The reversal of 122022211121 is 121112220221.

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 122022211121 - 2² = 122022211117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122022211121.

It is not an unprimeable number, because it can be changed into a prime (122022211127) 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, 2652656741 + ... + 2652656786.

It is an arithmetic number, because the mean of its divisors is an integer number (31831881168).

Almost surely, 2^122022211121 is an apocalyptic number.

It is an amenable number.

122022211121 is a deficient number, since it is larger than the sum of its proper divisors (5305313551).

122022211121 is an equidigital number, since it uses as much as digits as its factorization.

122022211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5305313550.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122022211121 its reverse (121112220221), we get a palindrome (243134431342).

The spelling of 122022211121 in words is "one hundred twenty-two billion, twenty-two million, two hundred eleven thousand, one hundred twenty-one".