1110109997 has 2 divisors, whose sum is σ = 1110109998. Its totient is φ = 1110109996.

The previous prime is 1110109993. The next prime is 1110110011. The reversal of 1110109997 is 7999010111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 573075721 + 537034276 = 23939^2 + 23174^2 .

It is an emirp because it is prime and its reverse (7999010111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1110109997 - 2² = 1110109993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1110109997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110109993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555054998 + 555054999.

It is an arithmetic number, because the mean of its divisors is an integer number (555054999).

Almost surely, 2^1110109997 is an apocalyptic number.

It is an amenable number.

1110109997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110109997 is an equidigital number, since it uses as much as digits as its factorization.

1110109997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103, while the sum is 38.

The square root of 1110109997 is about 33318.3132376175. The cubic root of 1110109997 is about 1035.4330057489.

The spelling of 1110109997 in words is "one billion, one hundred ten million, one hundred nine thousand, nine hundred ninety-seven".