122222200112121 has 32 divisors (see below), whose sum is σ = 175816286956800. Its totient is φ = 75323398258944.

The previous prime is 122222200112119. The next prime is 122222200112141. The reversal of 122222200112121 is 121211002222221.

122222200112121 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 122222200112121 - 2¹ = 122222200112119 is a prime.

It is a super-2 number, since 2×122222200112121² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122222200112141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160270450 + ... + 161031243.

It is an arithmetic number, because the mean of its divisors is an integer number (5494258967400).

Almost surely, 2^{122222200112121} is an apocalyptic number.

It is an amenable number.

122222200112121 is a deficient number, since it is larger than the sum of its proper divisors (53594086844679).

122222200112121 is a wasteful number, since it uses less digits than its factorization.

122222200112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321301905.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122222200112121 its reverse (121211002222221), we get a palindrome (243433202334342).

The spelling of 122222200112121 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, two hundred million, one hundred twelve thousand, one hundred twenty-one".