120010111111 has 4 divisors (see below), whose sum is σ = 130920121224. Its totient is φ = 109100101000.

The previous prime is 120010111079. The next prime is 120010111153. The reversal of 120010111111 is 111111010021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 120010111111 - 2⁵ = 120010111079 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 (120010111211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5455005040 + ... + 5455005061.

It is an arithmetic number, because the mean of its divisors is an integer number (32730030306).

Almost surely, 2^120010111111 is an apocalyptic number.

120010111111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120010111111 is a deficient number, since it is larger than the sum of its proper divisors (10910010113).

120010111111 is a wasteful number, since it uses less digits than its factorization.

120010111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10910010112.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 120010111111 its reverse (111111010021), we get a palindrome (231121121132).

The spelling of 120010111111 in words is "one hundred twenty billion, ten million, one hundred eleven thousand, one hundred eleven".