120100111101 has 20 divisors (see below), whose sum is σ = 188851379200. Its totient is φ = 75852700776.

The previous prime is 120100111099. The next prime is 120100111129. The reversal of 120100111101 is 101111001021.

It is not a de Polignac number, because 120100111101 - 2¹ = 120100111099 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 Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120100111151) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39017341 + ... + 39020418.

It is an arithmetic number, because the mean of its divisors is an integer number (9442568960).

Almost surely, 2^120100111101 is an apocalyptic number.

It is an amenable number.

120100111101 is a deficient number, since it is larger than the sum of its proper divisors (68751268099).

120100111101 is an equidigital number, since it uses as much as digits as its factorization.

120100111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78037790 (or 78037781 counting only the distinct ones).

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

Adding to 120100111101 its reverse (101111001021), we get a palindrome (221211112122).

The spelling of 120100111101 in words is "one hundred twenty billion, one hundred million, one hundred eleven thousand, one hundred one".