120411111 has 8 divisors (see below), whose sum is σ = 161025904. Its totient is φ = 80035200.

The previous prime is 120411107. The next prime is 120411149. The reversal of 120411111 is 111114021.

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

It is not a de Polignac number, because 120411111 - 2² = 120411107 is a prime.

It is a Duffinian number.

120411111 is a modest number, since divided by 11111 gives 1204 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120411191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58540 + ... + 60561.

It is an arithmetic number, because the mean of its divisors is an integer number (20128238).

Almost surely, 2^120411111 is an apocalyptic number.

120411111 is a deficient number, since it is larger than the sum of its proper divisors (40614793).

120411111 is a wasteful number, since it uses less digits than its factorization.

120411111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119441.

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 120411111 is about 10973.1996701053. The cubic root of 120411111 is about 493.8050433535.

Adding to 120411111 its reverse (111114021), we get a palindrome (231525132).

The spelling of 120411111 in words is "one hundred twenty million, four hundred eleven thousand, one hundred eleven".