2122202100121 has 16 divisors (see below), whose sum is σ = 2233634755968. Its totient is φ = 2012439721600.

The previous prime is 2122202100097. The next prime is 2122202100157. The reversal of 2122202100121 is 1210012022212.

It is a happy number.

It is not a de Polignac number, because 2122202100121 - 2¹⁷ = 2122201969049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122202100095 and 2122202100104.

It is not an unprimeable number, because it can be changed into a prime (2122202100181) 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, 439806 + ... + 2106616.

It is an arithmetic number, because the mean of its divisors is an integer number (139602172248).

Almost surely, 2^{2122202100121} is an apocalyptic number.

It is an amenable number.

2122202100121 is a deficient number, since it is larger than the sum of its proper divisors (111432655847).

2122202100121 is a wasteful number, since it uses less digits than its factorization.

2122202100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667312.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2122202100121 its reverse (1210012022212), we get a palindrome (3332214122333).

The spelling of 2122202100121 in words is "two trillion, one hundred twenty-two billion, two hundred two million, one hundred thousand, one hundred twenty-one".