113133312111221 has 8 divisors (see below), whose sum is σ = 119752991359200. Its totient is φ = 106580162303280.

The previous prime is 113133312111173. The next prime is 113133312111227. The reversal of 113133312111221 is 122111213331311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113133312111221 is a prime.

It is a super-2 number, since 2×113133312111221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113133312111227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16632356510 + ... + 16632363311.

It is an arithmetic number, because the mean of its divisors is an integer number (14969123919900).

Almost surely, 2^{113133312111221} is an apocalyptic number.

It is an amenable number.

113133312111221 is a deficient number, since it is larger than the sum of its proper divisors (6619679247979).

113133312111221 is a wasteful number, since it uses less digits than its factorization.

113133312111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33264720019.

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

Adding to 113133312111221 its reverse (122111213331311), we get a palindrome (235244525442532).

The spelling of 113133312111221 in words is "one hundred thirteen trillion, one hundred thirty-three billion, three hundred twelve million, one hundred eleven thousand, two hundred twenty-one".