1102211309 has 2 divisors, whose sum is σ = 1102211310. Its totient is φ = 1102211308.

The previous prime is 1102211263. The next prime is 1102211311. The reversal of 1102211309 is 9031122011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1101576100 + 635209 = 33190^2 + 797^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102211309 - 2¹² = 1102207213 is a prime.

Together with 1102211311, 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 (1102211329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551105654 + 551105655.

It is an arithmetic number, because the mean of its divisors is an integer number (551105655).

Almost surely, 2^1102211309 is an apocalyptic number.

It is an amenable number.

1102211309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102211309 is an equidigital number, since it uses as much as digits as its factorization.

1102211309 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 1102211309 is about 33199.5679038147. The cubic root of 1102211309 is about 1032.9713767896.

The spelling of 1102211309 in words is "one billion, one hundred two million, two hundred eleven thousand, three hundred nine".