1011111110899 has 2 divisors, whose sum is σ = 1011111110900. Its totient is φ = 1011111110898.

The previous prime is 1011111110843. The next prime is 1011111111007. The reversal of 1011111110899 is 9980111111101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011111110899 - 2³⁷ = 873672157427 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011111110809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505555555449 + 505555555450.

It is an arithmetic number, because the mean of its divisors is an integer number (505555555450).

Almost surely, 2^{1011111110899} is an apocalyptic number.

1011111110899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011111110899 is an equidigital number, since it uses as much as digits as its factorization.

1011111110899 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 34.

The spelling of 1011111110899 in words is "one trillion, eleven billion, one hundred eleven million, one hundred ten thousand, eight hundred ninety-nine".