221101212094 has 16 divisors (see below), whose sum is σ = 395510243328. Its totient is φ = 90637763832.

The previous prime is 221101212047. The next prime is 221101212103. The reversal of 221101212094 is 490212101122.

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, 343324542 + ... + 343325185.

It is an arithmetic number, because the mean of its divisors is an integer number (24719390208).

Almost surely, 2^221101212094 is an apocalyptic number.

221101212094 is a deficient number, since it is larger than the sum of its proper divisors (174409031234).

221101212094 is a wasteful number, since it uses less digits than its factorization.

221101212094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686649759.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 221101212094 in words is "two hundred twenty-one billion, one hundred one million, two hundred twelve thousand, ninety-four".