20221211022079 has 2 divisors, whose sum is σ = 20221211022080. Its totient is φ = 20221211022078.

The previous prime is 20221211022073. The next prime is 20221211022119. The reversal of 20221211022079 is 97022011212202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20221211022079 is a prime.

It is a super-3 number, since 3×20221211022079³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20221211022079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20221211022073) 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, 10110605511039 + 10110605511040.

It is an arithmetic number, because the mean of its divisors is an integer number (10110605511040).

Almost surely, 2^{20221211022079} is an apocalyptic number.

20221211022079 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221211022079 is an equidigital number, since it uses as much as digits as its factorization.

20221211022079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 20221211022079 in words is "twenty trillion, two hundred twenty-one billion, two hundred eleven million, twenty-two thousand, seventy-nine".