1111101009999 has 32 divisors (see below), whose sum is σ = 1589557832640. Its totient is φ = 688972032000.

The previous prime is 1111101009989. The next prime is 1111101010003. The reversal of 1111101009999 is 9999001011111.

It is not a de Polignac number, because 1111101009999 - 2³² = 1106806042703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1111101009999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111101009989) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1383642 + ... + 2033879.

It is an arithmetic number, because the mean of its divisors is an integer number (49673682270).

Almost surely, 2^{1111101009999} is an apocalyptic number.

1111101009999 is a deficient number, since it is larger than the sum of its proper divisors (478456822641).

1111101009999 is a wasteful number, since it uses less digits than its factorization.

1111101009999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3417691.

The product of its (nonzero) digits is 6561, while the sum is 42.

The spelling of 1111101009999 in words is "one trillion, one hundred eleven billion, one hundred one million, nine thousand, nine hundred ninety-nine".