120231011 has 4 divisors (see below), whose sum is σ = 120271752. Its totient is φ = 120190272.

The previous prime is 120230963. The next prime is 120231043. The reversal of 120231011 is 110132021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110132021 = 929 ⋅118549.

It is a cyclic number.

It is not a de Polignac number, because 120231011 - 2⁶ = 120230947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120230983 and 120231001.

It is not an unprimeable number, because it can be changed into a prime (120231091) 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 3 ways as a sum of consecutive naturals, for example, 15566 + ... + 21971.

It is an arithmetic number, because the mean of its divisors is an integer number (30067938).

Almost surely, 2^120231011 is an apocalyptic number.

120231011 is a deficient number, since it is larger than the sum of its proper divisors (40741).

120231011 is an equidigital number, since it uses as much as digits as its factorization.

120231011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40740.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 120231011 is about 10964.9902416737. The cubic root of 120231011 is about 493.5587242655.

Adding to 120231011 its reverse (110132021), we get a palindrome (230363032).

The spelling of 120231011 in words is "one hundred twenty million, two hundred thirty-one thousand, eleven".