120110110101 has 6 divisors (see below), whose sum is σ = 173492381270. Its totient is φ = 80073406728.

The previous prime is 120110110091. The next prime is 120110110103. The reversal of 120110110101 is 101011011021.

It can be written as a sum of positive squares in only one way, i.e., 77645265201 + 42464844900 = 278649^2 + 206070^2 .

It is not a de Polignac number, because 120110110101 - 2¹⁴ = 120110093717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 13345567789 = 120110110101 / (1 + 2 + 0 + 1 + 1 + 0 + 1 + 1 + 0 + 1 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120110110103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6672783886 + ... + 6672783903.

Almost surely, 2^120110110101 is an apocalyptic number.

It is an amenable number.

120110110101 is a deficient number, since it is larger than the sum of its proper divisors (53382271169).

120110110101 is a wasteful number, since it uses less digits than its factorization.

120110110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13345567795 (or 13345567792 counting only the distinct ones).

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

Adding to 120110110101 its reverse (101011011021), we get a palindrome (221121121122).

The spelling of 120110110101 in words is "one hundred twenty billion, one hundred ten million, one hundred ten thousand, one hundred one".