1100212331999 has 4 divisors (see below), whose sum is σ = 1200231634920. Its totient is φ = 1000193029080.

The previous prime is 1100212331993. The next prime is 1100212332019. The reversal of 1100212331999 is 9991332120011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100212331999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100212331993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50009651444 + ... + 50009651465.

It is an arithmetic number, because the mean of its divisors is an integer number (300057908730).

Almost surely, 2^{1100212331999} is an apocalyptic number.

1100212331999 is a deficient number, since it is larger than the sum of its proper divisors (100019302921).

1100212331999 is a wasteful number, since it uses less digits than its factorization.

1100212331999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100019302920.

The product of its (nonzero) digits is 26244, while the sum is 41.

The spelling of 1100212331999 in words is "one trillion, one hundred billion, two hundred twelve million, three hundred thirty-one thousand, nine hundred ninety-nine".