113110413221 has 4 divisors (see below), whose sum is σ = 121811214252. Its totient is φ = 104409612192.

The previous prime is 113110413211. The next prime is 113110413259. The reversal of 113110413221 is 122314011311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43633360996 + 69477052225 = 208886^2 + 263585^2 .

It is a cyclic number.

It is not a de Polignac number, because 113110413221 - 2²⁶ = 113043304357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113110413193 and 113110413202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113110413211) 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, 4350400496 + ... + 4350400521.

It is an arithmetic number, because the mean of its divisors is an integer number (30452803563).

Almost surely, 2^113110413221 is an apocalyptic number.

It is an amenable number.

113110413221 is a deficient number, since it is larger than the sum of its proper divisors (8700801031).

113110413221 is an equidigital number, since it uses as much as digits as its factorization.

113110413221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8700801030.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 113110413221 its reverse (122314011311), we get a palindrome (235424424532).

The spelling of 113110413221 in words is "one hundred thirteen billion, one hundred ten million, four hundred thirteen thousand, two hundred twenty-one".