221112110022079 has 2 divisors, whose sum is σ = 221112110022080. Its totient is φ = 221112110022078.

The previous prime is 221112110021983. The next prime is 221112110022113. The reversal of 221112110022079 is 970220011211122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221112110022079 - 2⁷ = 221112110021951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221112110022079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221112110052079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110556055011039 + 110556055011040.

It is an arithmetic number, because the mean of its divisors is an integer number (110556055011040).

Almost surely, 2^{221112110022079} is an apocalyptic number.

221112110022079 is a deficient number, since it is larger than the sum of its proper divisors (1).

221112110022079 is an equidigital number, since it uses as much as digits as its factorization.

221112110022079 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 31.

The spelling of 221112110022079 in words is "two hundred twenty-one trillion, one hundred twelve billion, one hundred ten million, twenty-two thousand, seventy-nine".