1101009999999 has 128 divisors (see below), whose sum is σ = 1912245995520. Its totient is φ = 551239603200.

The previous prime is 1101009999983. The next prime is 1101010000087. The reversal of 1101009999999 is 9999999001011.

It is not a de Polignac number, because 1101009999999 - 2⁴ = 1101009999983 is a prime.

1101009999999 is a modest number, since divided by 9999999 gives 110100 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101009999949) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 69981964 + ... + 69997694.

It is an arithmetic number, because the mean of its divisors is an integer number (14939421840).

Almost surely, 2^{1101009999999} is an apocalyptic number.

1101009999999 is a deficient number, since it is larger than the sum of its proper divisors (811235995521).

1101009999999 is a wasteful number, since it uses less digits than its factorization.

1101009999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15858 (or 15832 counting only the distinct ones).

The product of its (nonzero) digits is 4782969, while the sum is 66.

The spelling of 1101009999999 in words is "one trillion, one hundred one billion, nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".