1110112309 has 2 divisors, whose sum is σ = 1110112310. Its totient is φ = 1110112308.

The previous prime is 1110112249. The next prime is 1110112313. The reversal of 1110112309 is 9032110111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1013148900 + 96963409 = 31830^2 + 9847^2 .

It is an emirp because it is prime and its reverse (9032110111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1110112309 - 2¹³ = 1110104117 is a prime.

It is a super-2 number, since 2×1110112309² = 2464698677186622962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110112349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555056154 + 555056155.

It is an arithmetic number, because the mean of its divisors is an integer number (555056155).

Almost surely, 2^1110112309 is an apocalyptic number.

It is an amenable number.

1110112309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110112309 is an equidigital number, since it uses as much as digits as its factorization.

1110112309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 19.

The square root of 1110112309 is about 33318.3479332334. The cubic root of 1110112309 is about 1035.4337245724.

The spelling of 1110112309 in words is "one billion, one hundred ten million, one hundred twelve thousand, three hundred nine".