113622221137 has 4 divisors (see below), whose sum is σ = 114097628160. Its totient is φ = 113146814116.

The previous prime is 113622221107. The next prime is 113622221197. The reversal of 113622221137 is 731122226311.

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 113622221137 - 2¹⁵ = 113622188369 is a prime.

It is a super-2 number, since 2×113622221137² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113622221099 and 113622221108.

It is not an unprimeable number, because it can be changed into a prime (113622221107) 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, 237703153 + ... + 237703630.

It is an arithmetic number, because the mean of its divisors is an integer number (28524407040).

Almost surely, 2^113622221137 is an apocalyptic number.

It is an amenable number.

113622221137 is a deficient number, since it is larger than the sum of its proper divisors (475407023).

113622221137 is an equidigital number, since it uses as much as digits as its factorization.

113622221137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475407022.

The product of its digits is 6048, while the sum is 31.

Adding to 113622221137 its reverse (731122226311), we get a palindrome (844744447448).

The spelling of 113622221137 in words is "one hundred thirteen billion, six hundred twenty-two million, two hundred twenty-one thousand, one hundred thirty-seven".