120111210211 has 4 divisors (see below), whose sum is σ = 120128417712. Its totient is φ = 120094002712.

The previous prime is 120111210199. The next prime is 120111210221. The reversal of 120111210211 is 112012111021.

It is a happy number.

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 120111210211 - 2¹⁷ = 120111079139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120111210191 and 120111210200.

It is not an unprimeable number, because it can be changed into a prime (120111210221) 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, 8593276 + ... + 8607241.

It is an arithmetic number, because the mean of its divisors is an integer number (30032104428).

Almost surely, 2^120111210211 is an apocalyptic number.

120111210211 is a deficient number, since it is larger than the sum of its proper divisors (17207501).

120111210211 is an equidigital number, since it uses as much as digits as its factorization.

120111210211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17207500.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 120111210211 its reverse (112012111021), we get a palindrome (232123321232).

The spelling of 120111210211 in words is "one hundred twenty billion, one hundred eleven million, two hundred ten thousand, two hundred eleven".