202211122120121 has 16 divisors (see below), whose sum is σ = 204556879108608. Its totient is φ = 199872127152000.

The previous prime is 202211122120061. The next prime is 202211122120151. The reversal of 202211122120121 is 121021221112202.

It is a de Polignac number, because none of the positive numbers 2^k-202211122120121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202211122120093 and 202211122120102.

It is not an unprimeable number, because it can be changed into a prime (202211122120151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2947177106 + ... + 2947245716.

It is an arithmetic number, because the mean of its divisors is an integer number (12784804944288).

Almost surely, 2^{202211122120121} is an apocalyptic number.

It is an amenable number.

202211122120121 is a deficient number, since it is larger than the sum of its proper divisors (2345756988487).

202211122120121 is a wasteful number, since it uses less digits than its factorization.

202211122120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117392.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 202211122120121 its reverse (121021221112202), we get a palindrome (323232343232323).

The spelling of 202211122120121 in words is "two hundred two trillion, two hundred eleven billion, one hundred twenty-two million, one hundred twenty thousand, one hundred twenty-one".