113222312221 has 16 divisors (see below), whose sum is σ = 125182886400. Its totient is φ = 101857206528.

The previous prime is 113222312213. The next prime is 113222312237. The reversal of 113222312221 is 122213222311.

It is not a de Polignac number, because 113222312221 - 2³ = 113222312213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113222312192 and 113222312201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113222312921) 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, 457420 + ... + 660058.

It is an arithmetic number, because the mean of its divisors is an integer number (7823930400).

Almost surely, 2^113222312221 is an apocalyptic number.

It is an amenable number.

113222312221 is a deficient number, since it is larger than the sum of its proper divisors (11960574179).

113222312221 is a wasteful number, since it uses less digits than its factorization.

113222312221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204108.

The product of its digits is 576, while the sum is 22.

Adding to 113222312221 its reverse (122213222311), we get a palindrome (235435534532).

The spelling of 113222312221 in words is "one hundred thirteen billion, two hundred twenty-two million, three hundred twelve thousand, two hundred twenty-one".