120003311111 has 8 divisors (see below), whose sum is σ = 122831769984. Its totient is φ = 117176565240.

The previous prime is 120003311023. The next prime is 120003311123. The reversal of 120003311111 is 111113300021.

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 120003311111 - 2¹⁴ = 120003294727 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 (120003311161) 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, 285941 + ... + 567246.

It is an arithmetic number, because the mean of its divisors is an integer number (15353971248).

Almost surely, 2^120003311111 is an apocalyptic number.

120003311111 is a deficient number, since it is larger than the sum of its proper divisors (2828458873).

120003311111 is an equidigital number, since it uses as much as digits as its factorization.

120003311111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856501.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 120003311111 its reverse (111113300021), we get a palindrome (231116611132).

The spelling of 120003311111 in words is "one hundred twenty billion, three million, three hundred eleven thousand, one hundred eleven".