120101111 has 8 divisors (see below), whose sum is σ = 129907680. Its totient is φ = 110375712.

The previous prime is 120101089. The next prime is 120101119. The reversal of 120101111 is 111101021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 120101111 - 2²² = 115906807 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 (120101119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17195 + ... + 23148.

It is an arithmetic number, because the mean of its divisors is an integer number (16238460).

Almost surely, 2^120101111 is an apocalyptic number.

120101111 is a deficient number, since it is larger than the sum of its proper divisors (9806569).

120101111 is a wasteful number, since it uses less digits than its factorization.

120101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40585.

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

The square root of 120101111 is about 10959.0652429849. The cubic root of 120101111 is about 493.3809099579.

Adding to 120101111 its reverse (111101021), we get a palindrome (231202132).

The spelling of 120101111 in words is "one hundred twenty million, one hundred one thousand, one hundred eleven".