112210011111221 has 4 divisors (see below), whose sum is σ = 112240183207200. Its totient is φ = 112179839015244.

The previous prime is 112210011111169. The next prime is 112210011111223. The reversal of 112210011111221 is 122111110012211.

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 112210011111221 - 2²⁶ = 112209944002357 is a prime.

It is a super-2 number, since 2×112210011111221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112210011111221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112210011111223) 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, 15086042411 + ... + 15086049848.

It is an arithmetic number, because the mean of its divisors is an integer number (28060045801800).

Almost surely, 2^{112210011111221} is an apocalyptic number.

It is an amenable number.

112210011111221 is a deficient number, since it is larger than the sum of its proper divisors (30172095979).

112210011111221 is an equidigital number, since it uses as much as digits as its factorization.

112210011111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30172095978.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 112210011111221 its reverse (122111110012211), we get a palindrome (234321121123432).

The spelling of 112210011111221 in words is "one hundred twelve trillion, two hundred ten billion, eleven million, one hundred eleven thousand, two hundred twenty-one".