113213231211211 has 2 divisors, whose sum is σ = 113213231211212. Its totient is φ = 113213231211210.

The previous prime is 113213231211187. The next prime is 113213231211263. The reversal of 113213231211211 is 112112132312311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113213231211211 is a prime.

It is not a weakly prime, because it can be changed into another prime (113213231211811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56606615605605 + 56606615605606.

It is an arithmetic number, because the mean of its divisors is an integer number (56606615605606).

Almost surely, 2^{113213231211211} is an apocalyptic number.

113213231211211 is a deficient number, since it is larger than the sum of its proper divisors (1).

113213231211211 is an equidigital number, since it uses as much as digits as its factorization.

113213231211211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 25.

Adding to 113213231211211 its reverse (112112132312311), we get a palindrome (225325363523522).

The spelling of 113213231211211 in words is "one hundred thirteen trillion, two hundred thirteen billion, two hundred thirty-one million, two hundred eleven thousand, two hundred eleven".