22220202120979 has 2 divisors, whose sum is σ = 22220202120980. Its totient is φ = 22220202120978.

The previous prime is 22220202120973. The next prime is 22220202121003. The reversal of 22220202120979 is 97902120202222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22220202120979 is a prime.

It is not a weakly prime, because it can be changed into another prime (22220202120973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110101060489 + 11110101060490.

It is an arithmetic number, because the mean of its divisors is an integer number (11110101060490).

Almost surely, 2^{22220202120979} is an apocalyptic number.

22220202120979 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220202120979 is an equidigital number, since it uses as much as digits as its factorization.

22220202120979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 22220202120979 in words is "twenty-two trillion, two hundred twenty billion, two hundred two million, one hundred twenty thousand, nine hundred seventy-nine".