1102111011997 has 2 divisors, whose sum is σ = 1102111011998. Its totient is φ = 1102111011996.

The previous prime is 1102111011977. The next prime is 1102111012021. The reversal of 1102111011997 is 7991101112011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 799675908516 + 302435103481 = 894246^2 + 549941^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1102111011997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102111011977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551055505998 + 551055505999.

It is an arithmetic number, because the mean of its divisors is an integer number (551055505999).

Almost surely, 2^{1102111011997} is an apocalyptic number.

It is an amenable number.

1102111011997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102111011997 is an equidigital number, since it uses as much as digits as its factorization.

1102111011997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 34.

The spelling of 1102111011997 in words is "one trillion, one hundred two billion, one hundred eleven million, eleven thousand, nine hundred ninety-seven".