220222021111979 has 2 divisors, whose sum is σ = 220222021111980. Its totient is φ = 220222021111978.

The previous prime is 220222021111879. The next prime is 220222021112021. The reversal of 220222021111979 is 979111120222022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220222021111979 is a prime.

It is not a weakly prime, because it can be changed into another prime (220222021111879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110111010555989 + 110111010555990.

It is an arithmetic number, because the mean of its divisors is an integer number (110111010555990).

Almost surely, 2^{220222021111979} is an apocalyptic number.

220222021111979 is a deficient number, since it is larger than the sum of its proper divisors (1).

220222021111979 is an equidigital number, since it uses as much as digits as its factorization.

220222021111979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 41.

The spelling of 220222021111979 in words is "two hundred twenty trillion, two hundred twenty-two billion, twenty-one million, one hundred eleven thousand, nine hundred seventy-nine".