120000111 has 32 divisors (see below), whose sum is σ = 200767488. Its totient is φ = 61935840.

The previous prime is 120000107. The next prime is 120000121. The reversal of 120000111 is 111000021.

It is not a de Polignac number, because 120000111 - 2² = 120000107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120000111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120000121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36060 + ... + 39246.

It is an arithmetic number, because the mean of its divisors is an integer number (6273984).

Almost surely, 2^120000111 is an apocalyptic number.

120000111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120000111 is a deficient number, since it is larger than the sum of its proper divisors (80767377).

120000111 is a wasteful number, since it uses less digits than its factorization.

120000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3371.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 120000111 is about 10954.4562165358. The cubic root of 120000111 is about 493.2425669491.

Adding to 120000111 its reverse (111000021), we get a palindrome (231000132).

The spelling of 120000111 in words is "one hundred twenty million, one hundred eleven", and thus it is an aban number.