120131011 has 16 divisors (see below), whose sum is σ = 161296128. Its totient is φ = 86407200.

The previous prime is 120130999. The next prime is 120131023. The reversal of 120131011 is 110131021.

It is an interprime number because it is at equal distance from previous prime (120130999) and next prime (120131023).

It is not a de Polignac number, because 120131011 - 2⁵ = 120130979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120131111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59005 + ... + 61006.

It is an arithmetic number, because the mean of its divisors is an integer number (10081008).

Almost surely, 2^120131011 is an apocalyptic number.

120131011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120131011 is a deficient number, since it is larger than the sum of its proper divisors (41165117).

120131011 is a wasteful number, since it uses less digits than its factorization.

120131011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120042.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 120131011 is about 10960.4293255328. The cubic root of 120131011 is about 493.4218500876.

Adding to 120131011 its sum of digits (10), we get a palindrome (120131021).

Adding to 120131011 its reverse (110131021), we get a palindrome (230262032).

It can be divided in two parts, 120 and 131011, that added together give a palindrome (131131).

The spelling of 120131011 in words is "one hundred twenty million, one hundred thirty-one thousand, eleven".