1101111010999 has 2 divisors, whose sum is σ = 1101111011000. Its totient is φ = 1101111010998.

The previous prime is 1101111010973. The next prime is 1101111011047. The reversal of 1101111010999 is 9990101111011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1101111010999 - 2³⁷ = 963672057527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101111010939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550555505499 + 550555505500.

It is an arithmetic number, because the mean of its divisors is an integer number (550555505500).

Almost surely, 2^{1101111010999} is an apocalyptic number.

1101111010999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101111010999 is an equidigital number, since it uses as much as digits as its factorization.

1101111010999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 729, while the sum is 34.

The spelling of 1101111010999 in words is "one trillion, one hundred one billion, one hundred eleven million, ten thousand, nine hundred ninety-nine".