1101111132999 has 16 divisors (see below), whose sum is σ = 1484008391808. Its totient is φ = 726185177952.

The previous prime is 1101111132973. The next prime is 1101111133007. The reversal of 1101111132999 is 9992311111011.

It is a happy number.

It is not a de Polignac number, because 1101111132999 - 2²⁵ = 1101077578567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101111132929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5042457 + ... + 5256290.

It is an arithmetic number, because the mean of its divisors is an integer number (92750524488).

Almost surely, 2^{1101111132999} is an apocalyptic number.

1101111132999 is a deficient number, since it is larger than the sum of its proper divisors (382897258809).

1101111132999 is a wasteful number, since it uses less digits than its factorization.

1101111132999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10299134.

The product of its (nonzero) digits is 4374, while the sum is 39.

The spelling of 1101111132999 in words is "one trillion, one hundred one billion, one hundred eleven million, one hundred thirty-two thousand, nine hundred ninety-nine".