1020113099 has 2 divisors, whose sum is σ = 1020113100. Its totient is φ = 1020113098.

The previous prime is 1020113071. The next prime is 1020113111. The reversal of 1020113099 is 9903110201.

It is a strong prime.

It is an emirp because it is prime and its reverse (9903110201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1020113099 - 2²⁰ = 1019064523 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020113299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510056549 + 510056550.

It is an arithmetic number, because the mean of its divisors is an integer number (510056550).

Almost surely, 2^1020113099 is an apocalyptic number.

1020113099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020113099 is an equidigital number, since it uses as much as digits as its factorization.

1020113099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 1020113099 is about 31939.2094297902. The cubic root of 1020113099 is about 1006.6599134210.

The spelling of 1020113099 in words is "one billion, twenty million, one hundred thirteen thousand, ninety-nine".