1109111020093 has 4 divisors (see below), whose sum is σ = 1111876883388. Its totient is φ = 1106345156800.

The previous prime is 1109111020067. The next prime is 1109111020097. The reversal of 1109111020093 is 3900201119011.

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 787029799609 + 322081220484 = 887147^2 + 567522^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1109111020093 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 (1109111020097) 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, 1382931046 + ... + 1382931847.

It is an arithmetic number, because the mean of its divisors is an integer number (277969220847).

Almost surely, 2^{1109111020093} is an apocalyptic number.

It is an amenable number.

1109111020093 is a deficient number, since it is larger than the sum of its proper divisors (2765863295).

1109111020093 is an equidigital number, since it uses as much as digits as its factorization.

1109111020093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765863294.

The product of its (nonzero) digits is 486, while the sum is 28.

The spelling of 1109111020093 in words is "one trillion, one hundred nine billion, one hundred eleven million, twenty thousand, ninety-three".