120112101 has 24 divisors (see below), whose sum is σ = 179902944. Its totient is φ = 77159520.

The previous prime is 120112087. The next prime is 120112121. The reversal of 120112101 is 101211021.

It is a happy number.

It is not a de Polignac number, because 120112101 - 2⁷ = 120111973 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120112121) 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, 33946 + ... + 37316.

It is an arithmetic number, because the mean of its divisors is an integer number (7495956).

Almost surely, 2^120112101 is an apocalyptic number.

It is an amenable number.

120112101 is a deficient number, since it is larger than the sum of its proper divisors (59790843).

120112101 is a wasteful number, since it uses less digits than its factorization.

120112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521 (or 3518 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 120112101 is about 10959.5666428924. The cubic root of 120112101 is about 493.3959586414.

Adding to 120112101 its reverse (101211021), we get a palindrome (221323122).

The spelling of 120112101 in words is "one hundred twenty million, one hundred twelve thousand, one hundred one".