11100000121101 has 24 divisors (see below), whose sum is σ = 16626537449600. Its totient is φ = 7130097143136.

The previous prime is 11100000121061. The next prime is 11100000121117. The reversal of 11100000121101 is 10112100000111.

It is not a de Polignac number, because 11100000121101 - 2²¹ = 11099998023949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100000121501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161778001 + ... + 161846598.

Almost surely, 2^{11100000121101} is an apocalyptic number.

It is an amenable number.

11100000121101 is a deficient number, since it is larger than the sum of its proper divisors (5526537328499).

11100000121101 is a wasteful number, since it uses less digits than its factorization.

11100000121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323624745 (or 323624742 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 11100000121101 its reverse (10112100000111), we get a palindrome (21212100121212).

The spelling of 11100000121101 in words is "eleven trillion, one hundred billion, one hundred twenty-one thousand, one hundred one".