10120091899 has 2 divisors, whose sum is σ = 10120091900. Its totient is φ = 10120091898.

The previous prime is 10120091881. The next prime is 10120091903. The reversal of 10120091899 is 99819002101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10120091899 is a prime.

It is not a weakly prime, because it can be changed into another prime (10120091819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060045949 + 5060045950.

It is an arithmetic number, because the mean of its divisors is an integer number (5060045950).

Almost surely, 2^10120091899 is an apocalyptic number.

10120091899 is a deficient number, since it is larger than the sum of its proper divisors (1).

10120091899 is an equidigital number, since it uses as much as digits as its factorization.

10120091899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 40.

The spelling of 10120091899 in words is "ten billion, one hundred twenty million, ninety-one thousand, eight hundred ninety-nine".