1111010001109 has 4 divisors (see below), whose sum is σ = 1176363530604. Its totient is φ = 1045656471616.

The previous prime is 1111010000977. The next prime is 1111010001131. The reversal of 1111010001109 is 9011000101111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 979611001009 + 131399000100 = 989753^2 + 362490^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111010001109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111010001092 and 1111010001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111010001139) 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, 32676764722 + ... + 32676764755.

It is an arithmetic number, because the mean of its divisors is an integer number (294090882651).

Almost surely, 2^{1111010001109} is an apocalyptic number.

It is an amenable number.

1111010001109 is a deficient number, since it is larger than the sum of its proper divisors (65353529495).

1111010001109 is an equidigital number, since it uses as much as digits as its factorization.

1111010001109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65353529494.

The product of its (nonzero) digits is 9, while the sum is 16.

The spelling of 1111010001109 in words is "one trillion, one hundred eleven billion, ten million, one thousand, one hundred nine".