22000202120121 has 16 divisors (see below), whose sum is σ = 29345166233280. Its totient is φ = 14661020179520.

The previous prime is 22000202120047. The next prime is 22000202120131. The reversal of 22000202120121 is 12102120200022.

It is a cyclic number.

It is not a de Polignac number, because 22000202120121 - 2⁷ = 22000202119993 is a prime.

It is a super-3 number, since 3×22000202120121³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22000202120121.

It is not an unprimeable number, because it can be changed into a prime (22000202120131) 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, 262074271 + ... + 262158203.

It is an arithmetic number, because the mean of its divisors is an integer number (1834072889580).

Almost surely, 2^{22000202120121} is an apocalyptic number.

It is an amenable number.

22000202120121 is a deficient number, since it is larger than the sum of its proper divisors (7344964113159).

22000202120121 is a wasteful number, since it uses less digits than its factorization.

22000202120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117336.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22000202120121 its reverse (12102120200022), we get a palindrome (34102322320143).

The spelling of 22000202120121 in words is "twenty-two trillion, two hundred two million, one hundred twenty thousand, one hundred twenty-one".