120013111111 has 8 divisors (see below), whose sum is σ = 125915397248. Its totient is φ = 114237756000.

The previous prime is 120013111067. The next prime is 120013111117. The reversal of 120013111111 is 111111310021.

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 120013111111 - 2¹⁵ = 120013078343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120013111091 and 120013111100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120013111117) 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, 31730820 + ... + 31734601.

It is an arithmetic number, because the mean of its divisors is an integer number (15739424656).

Almost surely, 2^120013111111 is an apocalyptic number.

120013111111 is a deficient number, since it is larger than the sum of its proper divisors (5902286137).

120013111111 is an equidigital number, since it uses as much as digits as its factorization.

120013111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63465513.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 120013111111 its reverse (111111310021), we get a palindrome (231124421132).

The spelling of 120013111111 in words is "one hundred twenty billion, thirteen million, one hundred eleven thousand, one hundred eleven".