120310111211 has 4 divisors (see below), whose sum is σ = 120310841112. Its totient is φ = 120309381312.

The previous prime is 120310111169. The next prime is 120310111219. The reversal of 120310111211 is 112111013021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120310111211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120310111219) 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, 12251 + ... + 490683.

It is an arithmetic number, because the mean of its divisors is an integer number (30077710278).

Almost surely, 2^120310111211 is an apocalyptic number.

120310111211 is a deficient number, since it is larger than the sum of its proper divisors (729901).

120310111211 is an equidigital number, since it uses as much as digits as its factorization.

120310111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729900.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 120310111211 its reverse (112111013021), we get a palindrome (232421124232).

The spelling of 120310111211 in words is "one hundred twenty billion, three hundred ten million, one hundred eleven thousand, two hundred eleven".