1100211021999 has 96 divisors (see below), whose sum is σ = 1715794755584. Its totient is φ = 678010590720.

The previous prime is 1100211021989. The next prime is 1100211022013. The reversal of 1100211021999 is 9991201120011.

It is not a de Polignac number, because 1100211021999 - 2⁴ = 1100211021983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100211021989) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 168044844 + ... + 168051390.

Almost surely, 2^{1100211021999} is an apocalyptic number.

1100211021999 is a deficient number, since it is larger than the sum of its proper divisors (615583733585).

1100211021999 is a wasteful number, since it uses less digits than its factorization.

1100211021999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6917 (or 6914 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 36.

The spelling of 1100211021999 in words is "one trillion, one hundred billion, two hundred eleven million, twenty-one thousand, nine hundred ninety-nine".