122000011011997 has 2 divisors, whose sum is σ = 122000011011998. Its totient is φ = 122000011011996.

The previous prime is 122000011011979. The next prime is 122000011012037. The reversal of 122000011011997 is 799110110000221.

Together with previous prime (122000011011979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112512988841796 + 9487022170201 = 10607214^2 + 3080101^2 .

It is a cyclic number.

It is not a de Polignac number, because 122000011011997 - 2¹⁵ = 122000010979229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122000011011947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61000005505998 + 61000005505999.

It is an arithmetic number, because the mean of its divisors is an integer number (61000005505999).

Almost surely, 2^{122000011011997} is an apocalyptic number.

It is an amenable number.

122000011011997 is a deficient number, since it is larger than the sum of its proper divisors (1).

122000011011997 is an equidigital number, since it uses as much as digits as its factorization.

122000011011997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 34.

The spelling of 122000011011997 in words is "one hundred twenty-two trillion, eleven million, eleven thousand, nine hundred ninety-seven".