221120310002 has 4 divisors (see below), whose sum is σ = 331680465006. Its totient is φ = 110560155000.

The previous prime is 221120309989. The next prime is 221120310011. The reversal of 221120310002 is 200013021122.

It is a happy number.

221120310002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 111757158601 + 109363151401 = 334301^2 + 330701^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55280077499 + ... + 55280077502.

Almost surely, 2^221120310002 is an apocalyptic number.

221120310002 is a deficient number, since it is larger than the sum of its proper divisors (110560155004).

221120310002 is a wasteful number, since it uses less digits than its factorization.

221120310002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110560155003.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 221120310002 its reverse (200013021122), we get a palindrome (421133331124).

The spelling of 221120310002 in words is "two hundred twenty-one billion, one hundred twenty million, three hundred ten thousand, two".