113221311002 has 8 divisors (see below), whose sum is σ = 175688241300. Its totient is φ = 54658563904.

The previous prime is 113221310977. The next prime is 113221311013. The reversal of 113221311002 is 200113122311.

It can be written as a sum of positive squares in 2 ways, for example, as 99093373681 + 14127937321 = 314791^2 + 118861^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 976045727 + ... + 976045842.

Almost surely, 2^113221311002 is an apocalyptic number.

113221311002 is a deficient number, since it is larger than the sum of its proper divisors (62466930298).

113221311002 is a wasteful number, since it uses less digits than its factorization.

113221311002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952091600.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 113221311002 its reverse (200113122311), we get a palindrome (313334433313).

The spelling of 113221311002 in words is "one hundred thirteen billion, two hundred twenty-one million, three hundred eleven thousand, two".