221323210094 has 24 divisors (see below), whose sum is σ = 389729431080. Its totient is φ = 93982590576.

The previous prime is 221323210037. The next prime is 221323210117. The reversal of 221323210094 is 490012323122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10348952 + ... + 10370315.

It is an arithmetic number, because the mean of its divisors is an integer number (16238726295).

Almost surely, 2^221323210094 is an apocalyptic number.

221323210094 is a deficient number, since it is larger than the sum of its proper divisors (168406220986).

221323210094 is a wasteful number, since it uses less digits than its factorization.

221323210094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20719392 (or 20719385 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 221323210094 in words is "two hundred twenty-one billion, three hundred twenty-three million, two hundred ten thousand, ninety-four".