113011222213 has 4 divisors (see below), whose sum is σ = 116908160940. Its totient is φ = 109114283488.

The previous prime is 113011222171. The next prime is 113011222231. The reversal of 113011222213 is 312222110311.

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 34127759169 + 78883463044 = 184737^2 + 280862^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113011222213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113011222243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1948469320 + ... + 1948469377.

It is an arithmetic number, because the mean of its divisors is an integer number (29227040235).

Almost surely, 2^113011222213 is an apocalyptic number.

It is an amenable number.

113011222213 is a deficient number, since it is larger than the sum of its proper divisors (3896938727).

113011222213 is an equidigital number, since it uses as much as digits as its factorization.

113011222213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3896938726.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 113011222213 its reverse (312222110311), we get a palindrome (425233332524).

The spelling of 113011222213 in words is "one hundred thirteen billion, eleven million, two hundred twenty-two thousand, two hundred thirteen".