11100120101 has 16 divisors (see below), whose sum is σ = 12758444160. Its totient is φ = 9460100160.

The previous prime is 11100120077. The next prime is 11100120107. The reversal of 11100120101 is 10102100111.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-11100120101 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100120107) 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, 898595 + ... + 910863.

It is an arithmetic number, because the mean of its divisors is an integer number (797402760).

Almost surely, 2^11100120101 is an apocalyptic number.

It is an amenable number.

11100120101 is a deficient number, since it is larger than the sum of its proper divisors (1658324059).

11100120101 is a wasteful number, since it uses less digits than its factorization.

11100120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13004.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 11100120101 its reverse (10102100111), we get a palindrome (21202220212).

The spelling of 11100120101 in words is "eleven billion, one hundred million, one hundred twenty thousand, one hundred one".