1122222121079 has 2 divisors, whose sum is σ = 1122222121080. Its totient is φ = 1122222121078.

The previous prime is 1122222121067. The next prime is 1122222121171. The reversal of 1122222121079 is 9701212222211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1122222121079 - 2²⁰ = 1122221072503 is a prime.

It is a super-2 number, since 2×1122222121079² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122222126079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561111060539 + 561111060540.

It is an arithmetic number, because the mean of its divisors is an integer number (561111060540).

Almost surely, 2^{1122222121079} is an apocalyptic number.

1122222121079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122222121079 is an equidigital number, since it uses as much as digits as its factorization.

1122222121079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 1122222121079 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred twenty-one thousand, seventy-nine".