790121122111 has 2 divisors, whose sum is σ = 790121122112. Its totient is φ = 790121122110.

The previous prime is 790121122081. The next prime is 790121122181. The reversal of 790121122111 is 111221121097.

It is a weak prime.

It is an emirp because it is prime and its reverse (111221121097) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 790121122111 - 2⁹ = 790121121599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 790121122111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (790121122181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395060561055 + 395060561056.

It is an arithmetic number, because the mean of its divisors is an integer number (395060561056).

Almost surely, 2^790121122111 is an apocalyptic number.

790121122111 is a deficient number, since it is larger than the sum of its proper divisors (1).

790121122111 is an equidigital number, since it uses as much as digits as its factorization.

790121122111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 28.

The spelling of 790121122111 in words is "seven hundred ninety billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred eleven".