221102199999 has 6 divisors (see below), whose sum is σ = 319369844456. Its totient is φ = 147401466660.

The previous prime is 221102199979. The next prime is 221102200031. The reversal of 221102199999 is 999991201122.

It is not a de Polignac number, because 221102199999 - 2⁸ = 221102199743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221102199979) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12283455547 + ... + 12283455564.

Almost surely, 2^221102199999 is an apocalyptic number.

221102199999 is a deficient number, since it is larger than the sum of its proper divisors (98267644457).

221102199999 is a wasteful number, since it uses less digits than its factorization.

221102199999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24566911117 (or 24566911114 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 54.

The spelling of 221102199999 in words is "two hundred twenty-one billion, one hundred two million, one hundred ninety-nine thousand, nine hundred ninety-nine".