1121100100109 has 8 divisors (see below), whose sum is σ = 1223029630560. Its totient is φ = 1019172459600.

The previous prime is 1121100100063. The next prime is 1121100100111. The reversal of 1121100100109 is 9010010011211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121100100109 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 (1121100100009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955487 + ... + 1776275.

It is an arithmetic number, because the mean of its divisors is an integer number (152878703820).

Almost surely, 2^{1121100100109} is an apocalyptic number.

It is an amenable number.

1121100100109 is a deficient number, since it is larger than the sum of its proper divisors (101929530451).

1121100100109 is a wasteful number, since it uses less digits than its factorization.

1121100100109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944971.

The product of its (nonzero) digits is 18, while the sum is 17.

The spelling of 1121100100109 in words is "one trillion, one hundred twenty-one billion, one hundred million, one hundred thousand, one hundred nine".