10091920099 has 2 divisors, whose sum is σ = 10091920100. Its totient is φ = 10091920098.

The previous prime is 10091919997. The next prime is 10091920147. The reversal of 10091920099 is 99002919001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10091920099 is a prime.

It is not a weakly prime, because it can be changed into another prime (10091920199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5045960049 + 5045960050.

It is an arithmetic number, because the mean of its divisors is an integer number (5045960050).

Almost surely, 2^10091920099 is an apocalyptic number.

10091920099 is a deficient number, since it is larger than the sum of its proper divisors (1).

10091920099 is an equidigital number, since it uses as much as digits as its factorization.

10091920099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 40.

The spelling of 10091920099 in words is "ten billion, ninety-one million, nine hundred twenty thousand, ninety-nine".