120111101 has 8 divisors (see below), whose sum is σ = 132986784. Its totient is φ = 107561520.

The previous prime is 120111073. The next prime is 120111163. The reversal of 120111101 is 101111021.

It is a happy number.

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

It is not a de Polignac number, because 120111101 - 2¹⁴ = 120094717 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 (120111191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80750 + ... + 82223.

It is an arithmetic number, because the mean of its divisors is an integer number (16623348).

Almost surely, 2^120111101 is an apocalyptic number.

120111101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120111101 is a deficient number, since it is larger than the sum of its proper divisors (12875683).

120111101 is a wasteful number, since it uses less digits than its factorization.

120111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163051.

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

The square root of 120111101 is about 10959.5210205556. The cubic root of 120111101 is about 493.3945893724.

Adding to 120111101 its reverse (101111021), we get a palindrome (221222122).

It can be divided in two parts, 1 and 20111101, that added together give a palindrome (20111102).

The spelling of 120111101 in words is "one hundred twenty million, one hundred eleven thousand, one hundred one".