113212222005121 has 4 divisors (see below), whose sum is σ = 113228892932544. Its totient is φ = 113195551077700.

The previous prime is 113212222005109. The next prime is 113212222005217. The reversal of 113212222005121 is 121500222212311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113212222005121 - 2³⁷ = 113074783051649 is a prime.

It is a super-2 number, since 2×113212222005121² (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 (113212222045121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8335453525 + ... + 8335467106.

It is an arithmetic number, because the mean of its divisors is an integer number (28307223233136).

Almost surely, 2^{113212222005121} is an apocalyptic number.

It is an amenable number.

113212222005121 is a deficient number, since it is larger than the sum of its proper divisors (16670927423).

113212222005121 is an equidigital number, since it uses as much as digits as its factorization.

113212222005121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16670927422.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 113212222005121 its reverse (121500222212311), we get a palindrome (234712444217432).

The spelling of 113212222005121 in words is "one hundred thirteen trillion, two hundred twelve billion, two hundred twenty-two million, five thousand, one hundred twenty-one".