1102312109 has 2 divisors, whose sum is σ = 1102312110. Its totient is φ = 1102312108.

The previous prime is 1102312097. The next prime is 1102312111. The reversal of 1102312109 is 9012132011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 674856484 + 427455625 = 25978^2 + 20675^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102312109 - 2⁸ = 1102311853 is a prime.

Together with 1102312111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102312129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551156054 + 551156055.

It is an arithmetic number, because the mean of its divisors is an integer number (551156055).

Almost surely, 2^1102312109 is an apocalyptic number.

It is an amenable number.

1102312109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102312109 is an equidigital number, since it uses as much as digits as its factorization.

1102312109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 1102312109 is about 33201.0859611549. The cubic root of 1102312109 is about 1033.0028651076.

It can be divided in two parts, 11023 and 12109, that added together give a palindrome (23132).

The spelling of 1102312109 in words is "one billion, one hundred two million, three hundred twelve thousand, one hundred nine".