113212333211 has 16 divisors (see below), whose sum is σ = 123755212800. Its totient is φ = 103232377248.

The previous prime is 113212333189. The next prime is 113212333243. The reversal of 113212333211 is 112333212311.

It is a cyclic number.

It is not a de Polignac number, because 113212333211 - 2⁶ = 113212333147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113212333271) 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 15 ways as a sum of consecutive naturals, for example, 1021571 + ... + 1126956.

It is an arithmetic number, because the mean of its divisors is an integer number (7734700800).

Almost surely, 2^113212333211 is an apocalyptic number.

113212333211 is a deficient number, since it is larger than the sum of its proper divisors (10542879589).

113212333211 is a wasteful number, since it uses less digits than its factorization.

113212333211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148658.

The product of its digits is 648, while the sum is 23.

Adding to 113212333211 its reverse (112333212311), we get a palindrome (225545545522).

The spelling of 113212333211 in words is "one hundred thirteen billion, two hundred twelve million, three hundred thirty-three thousand, two hundred eleven".