11122120000997 has 2 divisors, whose sum is σ = 11122120000998. Its totient is φ = 11122120000996.

The previous prime is 11122120000991. The next prime is 11122120001053. The reversal of 11122120000997 is 79900002122111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10576765813636 + 545354187361 = 3252194^2 + 738481^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122120000997 - 2⁸ = 11122120000741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11122120000991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561060000498 + 5561060000499.

It is an arithmetic number, because the mean of its divisors is an integer number (5561060000499).

Almost surely, 2^{11122120000997} is an apocalyptic number.

It is an amenable number.

11122120000997 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122120000997 is an equidigital number, since it uses as much as digits as its factorization.

11122120000997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 11122120000997 in words is "eleven trillion, one hundred twenty-two billion, one hundred twenty million, nine hundred ninety-seven", and thus it is an aban number.