113213333021 has 8 divisors (see below), whose sum is σ = 118574824320. Its totient is φ = 107888439472.

The previous prime is 113213333003. The next prime is 113213333041. The reversal of 113213333021 is 120333312311.

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-113213333021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113213333041) 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, 9143105 + ... + 9155478.

It is an arithmetic number, because the mean of its divisors is an integer number (14821853040).

Almost surely, 2^113213333021 is an apocalyptic number.

It is an amenable number.

113213333021 is a deficient number, since it is larger than the sum of its proper divisors (5361491299).

113213333021 is a wasteful number, since it uses less digits than its factorization.

113213333021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18298875.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 113213333021 its reverse (120333312311), we get a palindrome (233546645332).

The spelling of 113213333021 in words is "one hundred thirteen billion, two hundred thirteen million, three hundred thirty-three thousand, twenty-one".