221323216094 has 16 divisors (see below), whose sum is σ = 338240892528. Its totient is φ = 108591642432.

The previous prime is 221323216057. The next prime is 221323216111. The reversal of 221323216094 is 490612323122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3818732 + ... + 3876255.

It is an arithmetic number, because the mean of its divisors is an integer number (21140055783).

Almost surely, 2^221323216094 is an apocalyptic number.

221323216094 is a deficient number, since it is larger than the sum of its proper divisors (116917676434).

221323216094 is a wasteful number, since it uses less digits than its factorization.

221323216094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7695259.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 221323216094 in words is "two hundred twenty-one billion, three hundred twenty-three million, two hundred sixteen thousand, ninety-four".