221323210118 has 8 divisors (see below), whose sum is σ = 346418937648. Its totient is φ = 105850230904.

The previous prime is 221323210117. The next prime is 221323210123. The reversal of 221323210118 is 811012323122.

221323210118 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221323210117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2405687021 + ... + 2405687112.

It is an arithmetic number, because the mean of its divisors is an integer number (43302367206).

Almost surely, 2^221323210118 is an apocalyptic number.

221323210118 is a deficient number, since it is larger than the sum of its proper divisors (125095727530).

221323210118 is a wasteful number, since it uses less digits than its factorization.

221323210118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4811374158.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 221323210118 in words is "two hundred twenty-one billion, three hundred twenty-three million, two hundred ten thousand, one hundred eighteen".