113231213311211 has 4 divisors (see below), whose sum is σ = 113234495505000. Its totient is φ = 113227931117424.

The previous prime is 113231213311207. The next prime is 113231213311217. The reversal of 113231213311211 is 112113312132311.

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

It is a cyclic number.

It is not a de Polignac number, because 113231213311211 - 2² = 113231213311207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113231213311217) 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, 1641045146 + ... + 1641114143.

It is an arithmetic number, because the mean of its divisors is an integer number (28308623876250).

Almost surely, 2^{113231213311211} is an apocalyptic number.

113231213311211 is a deficient number, since it is larger than the sum of its proper divisors (3282193789).

113231213311211 is an equidigital number, since it uses as much as digits as its factorization.

113231213311211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282193788.

The product of its digits is 648, while the sum is 26.

Adding to 113231213311211 its reverse (112113312132311), we get a palindrome (225344525443522).

The spelling of 113231213311211 in words is "one hundred thirteen trillion, two hundred thirty-one billion, two hundred thirteen million, three hundred eleven thousand, two hundred eleven".