221102221202099 has 2 divisors, whose sum is σ = 221102221202100. Its totient is φ = 221102221202098.

The previous prime is 221102221202089. The next prime is 221102221202189. The reversal of 221102221202099 is 990202122201122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221102221202099 - 2²⁰ = 221102220153523 is a prime.

It is not a weakly prime, because it can be changed into another prime (221102221202029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110551110601049 + 110551110601050.

It is an arithmetic number, because the mean of its divisors is an integer number (110551110601050).

Almost surely, 2^{221102221202099} is an apocalyptic number.

221102221202099 is a deficient number, since it is larger than the sum of its proper divisors (1).

221102221202099 is an equidigital number, since it uses as much as digits as its factorization.

221102221202099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 221102221202099 in words is "two hundred twenty-one trillion, one hundred two billion, two hundred twenty-one million, two hundred two thousand, ninety-nine".