112221013 has 4 divisors (see below), whose sum is σ = 114830848. Its totient is φ = 109611180.

The previous prime is 112220921. The next prime is 112221017. The reversal of 112221013 is 310122211.

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 112221013 - 2⁹ = 112220501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112220984 and 112221002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112221017) 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, 1304853 + ... + 1304938.

It is an arithmetic number, because the mean of its divisors is an integer number (28707712).

Almost surely, 2^112221013 is an apocalyptic number.

It is an amenable number.

112221013 is a deficient number, since it is larger than the sum of its proper divisors (2609835).

112221013 is an equidigital number, since it uses as much as digits as its factorization.

112221013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2609834.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 112221013 is about 10593.4419807728. The cubic root of 112221013 is about 482.3453116303.

Adding to 112221013 its reverse (310122211), we get a palindrome (422343224).

The spelling of 112221013 in words is "one hundred twelve million, two hundred twenty-one thousand, thirteen".