120113311 has 4 divisors (see below), whose sum is σ = 120349800. Its totient is φ = 119876824.

The previous prime is 120113303. The next prime is 120113339. The reversal of 120113311 is 113311021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120113311 - 2³ = 120113303 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120113291 and 120113300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120113351) 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, 117481 + ... + 118498.

It is an arithmetic number, because the mean of its divisors is an integer number (30087450).

Almost surely, 2^120113311 is an apocalyptic number.

120113311 is a deficient number, since it is larger than the sum of its proper divisors (236489).

120113311 is an equidigital number, since it uses as much as digits as its factorization.

120113311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236488.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 120113311 is about 10959.6218456660. The cubic root of 120113311 is about 493.3976154467.

Adding to 120113311 its reverse (113311021), we get a palindrome (233424332).

The spelling of 120113311 in words is "one hundred twenty million, one hundred thirteen thousand, three hundred eleven".