1001011111109 has 16 divisors (see below), whose sum is σ = 1083355499520. Its totient is φ = 922858285440.

The previous prime is 1001011111069. The next prime is 1001011111127. The reversal of 1001011111109 is 9011111101001.

It is a cyclic number.

It is not a de Polignac number, because 1001011111109 - 2¹² = 1001011107013 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 (1001011111909) 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, 8900429 + ... + 9012194.

It is an arithmetic number, because the mean of its divisors is an integer number (67709718720).

Almost surely, 2^{1001011111109} is an apocalyptic number.

It is an amenable number.

1001011111109 is a deficient number, since it is larger than the sum of its proper divisors (82344388411).

1001011111109 is a wasteful number, since it uses less digits than its factorization.

1001011111109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17912740.

The product of its (nonzero) digits is 9, while the sum is 17.

The spelling of 1001011111109 in words is "one trillion, one billion, eleven million, one hundred eleven thousand, one hundred nine".