120011131023 has 16 divisors (see below), whose sum is σ = 192499057920. Its totient is φ = 64968431616.

The previous prime is 120011131007. The next prime is 120011131043. The reversal of 120011131023 is 320131110021.

It is a happy number.

It is not a de Polignac number, because 120011131023 - 2⁴ = 120011131007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120011130993 and 120011131011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120011131043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150389490 + ... + 150390287.

It is an arithmetic number, because the mean of its divisors is an integer number (12031191120).

Almost surely, 2^120011131023 is an apocalyptic number.

120011131023 is a deficient number, since it is larger than the sum of its proper divisors (72487926897).

120011131023 is a wasteful number, since it uses less digits than its factorization.

120011131023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300779806.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 120011131023 its reverse (320131110021), we get a palindrome (440142241044).

The spelling of 120011131023 in words is "one hundred twenty billion, eleven million, one hundred thirty-one thousand, twenty-three".