120113111011 has 4 divisors (see below), whose sum is σ = 120170611000. Its totient is φ = 120055611024.

The previous prime is 120113111003. The next prime is 120113111141. The reversal of 120113111011 is 110111311021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110111311021 = 19 ⋅5795332159.

It is a cyclic number.

It is not a de Polignac number, because 120113111011 - 2³ = 120113111003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120113110982 and 120113111000.

It is not an unprimeable number, because it can be changed into a prime (120113111711) 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, 28746861 + ... + 28751038.

It is an arithmetic number, because the mean of its divisors is an integer number (30042652750).

Almost surely, 2^120113111011 is an apocalyptic number.

120113111011 is a deficient number, since it is larger than the sum of its proper divisors (57499989).

120113111011 is an equidigital number, since it uses as much as digits as its factorization.

120113111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57499988.

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

Adding to 120113111011 its reverse (110111311021), we get a palindrome (230224422032).

The spelling of 120113111011 in words is "one hundred twenty billion, one hundred thirteen million, one hundred eleven thousand, eleven".