1100100899 has 2 divisors, whose sum is σ = 1100100900. Its totient is φ = 1100100898.

The previous prime is 1100100871. The next prime is 1100100929. The reversal of 1100100899 is 9980010011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100100899 - 2²⁰ = 1099052323 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1100100829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550050449 + 550050450.

It is an arithmetic number, because the mean of its divisors is an integer number (550050450).

Almost surely, 2^1100100899 is an apocalyptic number.

1100100899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100100899 is an equidigital number, since it uses as much as digits as its factorization.

1100100899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 29.

The square root of 1100100899 is about 33167.7689783320. The cubic root of 1100100899 is about 1032.3116769251.

The spelling of 1100100899 in words is "one billion, one hundred million, one hundred thousand, eight hundred ninety-nine".