221110022279 has 2 divisors, whose sum is σ = 221110022280. Its totient is φ = 221110022278.

The previous prime is 221110022197. The next prime is 221110022327. The reversal of 221110022279 is 972220011122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221110022279 - 2²⁴ = 221093245063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221110622279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110555011139 + 110555011140.

It is an arithmetic number, because the mean of its divisors is an integer number (110555011140).

Almost surely, 2^221110022279 is an apocalyptic number.

221110022279 is a deficient number, since it is larger than the sum of its proper divisors (1).

221110022279 is an equidigital number, since it uses as much as digits as its factorization.

221110022279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

The spelling of 221110022279 in words is "two hundred twenty-one billion, one hundred ten million, twenty-two thousand, two hundred seventy-nine".