202210220112121 has 16 divisors (see below), whose sum is σ = 227235031761024. Its totient is φ = 178538444244864.

The previous prime is 202210220112101. The next prime is 202210220112179. The reversal of 202210220112121 is 121211022012202.

It is a cyclic number.

It is not a de Polignac number, because 202210220112121 - 2²⁷ = 202210085894393 is a prime.

It is a super-2 number, since 2×202210220112121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202210220112101) 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, 29127250 + ... + 35395156.

It is an arithmetic number, because the mean of its divisors is an integer number (14202189485064).

Almost surely, 2^{202210220112121} is an apocalyptic number.

It is an amenable number.

202210220112121 is a deficient number, since it is larger than the sum of its proper divisors (25024811648903).

202210220112121 is a wasteful number, since it uses less digits than its factorization.

202210220112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6375840.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 202210220112121 its reverse (121211022012202), we get a palindrome (323421242124323).

The spelling of 202210220112121 in words is "two hundred two trillion, two hundred ten billion, two hundred twenty million, one hundred twelve thousand, one hundred twenty-one".