112201220112121 has 16 divisors (see below), whose sum is σ = 128769717839488. Its totient is φ = 95767707974400.

The previous prime is 112201220112073. The next prime is 112201220112131. The reversal of 112201220112121 is 121211022102211.

It is a happy number.

It is not a de Polignac number, because 112201220112121 - 2¹⁵ = 112201220079353 is a prime.

It is a super-2 number, since 2×112201220112121² (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 (112201220112131) 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, 26439751 + ... + 30388531.

It is an arithmetic number, because the mean of its divisors is an integer number (8048107364968).

Almost surely, 2^{112201220112121} is an apocalyptic number.

It is an amenable number.

112201220112121 is a deficient number, since it is larger than the sum of its proper divisors (16568497727367).

112201220112121 is a wasteful number, since it uses less digits than its factorization.

112201220112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965872.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 112201220112121 its reverse (121211022102211), we get a palindrome (233412242214332).

The spelling of 112201220112121 in words is "one hundred twelve trillion, two hundred one billion, two hundred twenty million, one hundred twelve thousand, one hundred twenty-one".