113213311021 has 8 divisors (see below), whose sum is σ = 117718389504. Its totient is φ = 108761547360.

The previous prime is 113213311019. The next prime is 113213311051. The reversal of 113213311021 is 120113312311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113213311021 - 2¹ = 113213311019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113213311021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113213311051) 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, 13324375 + ... + 13332868.

It is an arithmetic number, because the mean of its divisors is an integer number (14714798688).

Almost surely, 2^113213311021 is an apocalyptic number.

It is an amenable number.

113213311021 is a deficient number, since it is larger than the sum of its proper divisors (4505078483).

113213311021 is a wasteful number, since it uses less digits than its factorization.

113213311021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26657411.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 113213311021 its reverse (120113312311), we get a palindrome (233326623332).

The spelling of 113213311021 in words is "one hundred thirteen billion, two hundred thirteen million, three hundred eleven thousand, twenty-one".