1110012201997 has 2 divisors, whose sum is σ = 1110012201998. Its totient is φ = 1110012201996.

The previous prime is 1110012201989. The next prime is 1110012202027. The reversal of 1110012201997 is 7991022100111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1022305010281 + 87707191716 = 1011091^2 + 296154^2 .

It is an emirp because it is prime and its reverse (7991022100111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1110012201997 - 2³ = 1110012201989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110012204997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555006100998 + 555006100999.

It is an arithmetic number, because the mean of its divisors is an integer number (555006100999).

Almost surely, 2^{1110012201997} is an apocalyptic number.

It is an amenable number.

1110012201997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110012201997 is an equidigital number, since it uses as much as digits as its factorization.

1110012201997 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 1110012201997 in words is "one trillion, one hundred ten billion, twelve million, two hundred one thousand, nine hundred ninety-seven".