120111201 has 24 divisors (see below), whose sum is σ = 206996640. Its totient is φ = 68634216.

The previous prime is 120111191. The next prime is 120111223. The reversal of 120111201 is 102111021.

It is a happy number.

It is not a de Polignac number, because 120111201 - 2⁷ = 120111073 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (120110201) 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, 44071 + ... + 46716.

It is an arithmetic number, because the mean of its divisors is an integer number (8624860).

Almost surely, 2^120111201 is an apocalyptic number.

It is an amenable number.

120111201 is a deficient number, since it is larger than the sum of its proper divisors (86885439).

120111201 is an equidigital number, since it uses as much as digits as its factorization.

120111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90810 (or 90797 counting only the distinct ones).

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

The square root of 120111201 is about 10959.5255827978. The cubic root of 120111201 is about 493.3947262996.

Adding to 120111201 its reverse (102111021), we get a palindrome (222222222).

The spelling of 120111201 in words is "one hundred twenty million, one hundred eleven thousand, two hundred one".