202211121122121 has 64 divisors (see below), whose sum is σ = 296101366898688. Its totient is φ = 122227332415488.

The previous prime is 202211121122111. The next prime is 202211121122173. The reversal of 202211121122121 is 121221121112202.

It is not a de Polignac number, because 202211121122121 - 2¹³ = 202211121113929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202211121122111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 97991641 + ... + 100033913.

It is an arithmetic number, because the mean of its divisors is an integer number (4626583857792).

Almost surely, 2^{202211121122121} is an apocalyptic number.

It is an amenable number.

202211121122121 is a deficient number, since it is larger than the sum of its proper divisors (93890245776567).

202211121122121 is a wasteful number, since it uses less digits than its factorization.

202211121122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042850.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 202211121122121 its reverse (121221121112202), we get a palindrome (323432242234323).

The spelling of 202211121122121 in words is "two hundred two trillion, two hundred eleven billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred twenty-one".