113210203221 has 24 divisors (see below), whose sum is σ = 165152692224. Its totient is φ = 74725066080.

The previous prime is 113210203163. The next prime is 113210203237. The reversal of 113210203221 is 122302012311.

113210203221 is a `hidden beast` number, since 1 + 1 + 321 + 0 + 20 + 322 + 1 = 666.

It is not a de Polignac number, because 113210203221 - 2³⁰ = 112136461397 is a prime.

It is a super-2 number, since 2×113210203221² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113210203194 and 113210203203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113210203021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 454951 + ... + 658331.

It is an arithmetic number, because the mean of its divisors is an integer number (6881362176).

Almost surely, 2^113210203221 is an apocalyptic number.

It is an amenable number.

113210203221 is a deficient number, since it is larger than the sum of its proper divisors (51942489003).

113210203221 is a wasteful number, since it uses less digits than its factorization.

113210203221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204001 (or 203998 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 113210203221 its reverse (122302012311), we get a palindrome (235512215532).

The spelling of 113210203221 in words is "one hundred thirteen billion, two hundred ten million, two hundred three thousand, two hundred twenty-one".