113013223112122 has 4 divisors (see below), whose sum is σ = 169519834668186. Its totient is φ = 56506611556060.

The previous prime is 113013223112107. The next prime is 113013223112123. The reversal of 113013223112122 is 221211322310311.

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

It can be written as a sum of positive squares in only one way, i.e., 58833333343521 + 54179889768601 = 7670289^2 + 7360699^2 .

It is not an unprimeable number, because it can be changed into a prime (113013223112123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28253305778029 + ... + 28253305778032.

Almost surely, 2^{113013223112122} is an apocalyptic number.

113013223112122 is a deficient number, since it is larger than the sum of its proper divisors (56506611556064).

113013223112122 is an equidigital number, since it uses as much as digits as its factorization.

113013223112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56506611556063.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 113013223112122 its reverse (221211322310311), we get a palindrome (334224545422433).

The spelling of 113013223112122 in words is "one hundred thirteen trillion, thirteen billion, two hundred twenty-three million, one hundred twelve thousand, one hundred twenty-two".