113031133221 has 16 divisors (see below), whose sum is σ = 154469376000. Its totient is φ = 73493603568.

The previous prime is 113031133199. The next prime is 113031133253. The reversal of 113031133221 is 122331130311.

It is a happy number.

It is not a de Polignac number, because 113031133221 - 2¹⁰ = 113031132197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113031131221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2491671 + ... + 2536628.

It is an arithmetic number, because the mean of its divisors is an integer number (9654336000).

Almost surely, 2^113031133221 is an apocalyptic number.

It is an amenable number.

113031133221 is a deficient number, since it is larger than the sum of its proper divisors (41438242779).

113031133221 is a wasteful number, since it uses less digits than its factorization.

113031133221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5028488.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 113031133221 its reverse (122331130311), we get a palindrome (235362263532).

The spelling of 113031133221 in words is "one hundred thirteen billion, thirty-one million, one hundred thirty-three thousand, two hundred twenty-one".