10111202009 has 2 divisors, whose sum is σ = 10111202010. Its totient is φ = 10111202008.

The previous prime is 10111201963. The next prime is 10111202027. The reversal of 10111202009 is 90020211101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8291923600 + 1819278409 = 91060^2 + 42653^2 .

It is a cyclic number.

It is not a de Polignac number, because 10111202009 - 2²⁰ = 10110153433 is a prime.

It is not a weakly prime, because it can be changed into another prime (10111202609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055601004 + 5055601005.

It is an arithmetic number, because the mean of its divisors is an integer number (5055601005).

Almost surely, 2^10111202009 is an apocalyptic number.

It is an amenable number.

10111202009 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111202009 is an equidigital number, since it uses as much as digits as its factorization.

10111202009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 10111202009 in words is "ten billion, one hundred eleven million, two hundred two thousand, nine".