10101010999 has 2 divisors, whose sum is σ = 10101011000. Its totient is φ = 10101010998.

The previous prime is 10101010981. The next prime is 10101011009. The reversal of 10101010999 is 99901010101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10101010999 - 2²⁷ = 9966793271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10101010999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10101010939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050505499 + 5050505500.

It is an arithmetic number, because the mean of its divisors is an integer number (5050505500).

Almost surely, 2^10101010999 is an apocalyptic number.

10101010999 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101010999 is an equidigital number, since it uses as much as digits as its factorization.

10101010999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729, while the sum is 31.

The spelling of 10101010999 in words is "ten billion, one hundred one million, ten thousand, nine hundred ninety-nine".