113221033111211 has 4 divisors (see below), whose sum is σ = 117125206666800. Its totient is φ = 109316859555624.

The previous prime is 113221033111177. The next prime is 113221033111223. The reversal of 113221033111211 is 112111330122311.

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 113221033111211 - 2²² = 113221028916907 is a prime.

It is a super-2 number, since 2×113221033111211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113221033111411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1952086777751 + ... + 1952086777808.

It is an arithmetic number, because the mean of its divisors is an integer number (29281301666700).

Almost surely, 2^{113221033111211} is an apocalyptic number.

113221033111211 is a deficient number, since it is larger than the sum of its proper divisors (3904173555589).

113221033111211 is an equidigital number, since it uses as much as digits as its factorization.

113221033111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904173555588.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 113221033111211 its reverse (112111330122311), we get a palindrome (225332363233522).

The spelling of 113221033111211 in words is "one hundred thirteen trillion, two hundred twenty-one billion, thirty-three million, one hundred eleven thousand, two hundred eleven".