113311133211221 has 8 divisors (see below), whose sum is σ = 123621182121600. Its totient is φ = 103002590434240.

The previous prime is 113311133211197. The next prime is 113311133211257. The reversal of 113311133211221 is 122112331113311.

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-113311133211221 is a prime.

It is a super-2 number, since 2×113311133211221² (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 (113311133211721) 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 7 ways as a sum of consecutive naturals, for example, 376376036 + ... + 376676973.

It is an arithmetic number, because the mean of its divisors is an integer number (15452647765200).

Almost surely, 2^{113311133211221} is an apocalyptic number.

113311133211221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113311133211221 is a deficient number, since it is larger than the sum of its proper divisors (10310048910379).

113311133211221 is a wasteful number, since it uses less digits than its factorization.

113311133211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753066699.

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

Adding to 113311133211221 its reverse (122112331113311), we get a palindrome (235423464324532).

The spelling of 113311133211221 in words is "one hundred thirteen trillion, three hundred eleven billion, one hundred thirty-three million, two hundred eleven thousand, two hundred twenty-one".