113112213321 has 12 divisors (see below), whose sum is σ = 156196179152. Its totient is φ = 72807859824.

The previous prime is 113112213299. The next prime is 113112213343. The reversal of 113112213321 is 123312211311.

It is an interprime number because it is at equal distance from previous prime (113112213299) and next prime (113112213343).

It is not a de Polignac number, because 113112213321 - 2¹¹ = 113112211273 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113112213371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22413691 + ... + 22418736.

Almost surely, 2^113112213321 is an apocalyptic number.

It is an amenable number.

113112213321 is a deficient number, since it is larger than the sum of its proper divisors (43083965831).

113112213321 is an equidigital number, since it uses as much as digits as its factorization.

113112213321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44832488 (or 44832459 counting only the distinct ones).

The product of its digits is 216, while the sum is 21.

Adding to 113112213321 its reverse (123312211311), we get a palindrome (236424424632).

The spelling of 113112213321 in words is "one hundred thirteen billion, one hundred twelve million, two hundred thirteen thousand, three hundred twenty-one".