122210201002121 has 4 divisors (see below), whose sum is σ = 124281560341200. Its totient is φ = 120138841663044.

The previous prime is 122210201002111. The next prime is 122210201002129. The reversal of 122210201002121 is 121200102012221.

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 122210201002121 - 2²² = 122210196807817 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 122210201002121.

It is not an unprimeable number, because it can be changed into a prime (122210201002129) 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 3 ways as a sum of consecutive naturals, for example, 1035679669451 + ... + 1035679669568.

It is an arithmetic number, because the mean of its divisors is an integer number (31070390085300).

Almost surely, 2^{122210201002121} is an apocalyptic number.

It is an amenable number.

122210201002121 is a deficient number, since it is larger than the sum of its proper divisors (2071359339079).

122210201002121 is an equidigital number, since it uses as much as digits as its factorization.

122210201002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071359339078.

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

Adding to 122210201002121 its reverse (121200102012221), we get a palindrome (243410303014342).

The spelling of 122210201002121 in words is "one hundred twenty-two trillion, two hundred ten billion, two hundred one million, two thousand, one hundred twenty-one".