22011021121279 has 2 divisors, whose sum is σ = 22011021121280. Its totient is φ = 22011021121278.

The previous prime is 22011021121259. The next prime is 22011021121363. The reversal of 22011021121279 is 97212112011022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22011021121279 - 2¹³ = 22011021113087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22011021121279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22011021121259) 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, 11005510560639 + 11005510560640.

It is an arithmetic number, because the mean of its divisors is an integer number (11005510560640).

Almost surely, 2^{22011021121279} is an apocalyptic number.

22011021121279 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011021121279 is an equidigital number, since it uses as much as digits as its factorization.

22011021121279 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 22011021121279 in words is "twenty-two trillion, eleven billion, twenty-one million, one hundred twenty-one thousand, two hundred seventy-nine".