120201311211 has 4 divisors (see below), whose sum is σ = 160268414952. Its totient is φ = 80134207472.

The previous prime is 120201311203. The next prime is 120201311213. The reversal of 120201311211 is 112113102021.

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 120201311211 - 2³ = 120201311203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120201311213) 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, 20033551866 + ... + 20033551871.

It is an arithmetic number, because the mean of its divisors is an integer number (40067103738).

Almost surely, 2^120201311211 is an apocalyptic number.

120201311211 is a deficient number, since it is larger than the sum of its proper divisors (40067103741).

120201311211 is an equidigital number, since it uses as much as digits as its factorization.

120201311211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40067103740.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 120201311211 its reverse (112113102021), we get a palindrome (232314413232).

It can be divided in two parts, 12020 and 1311211, that added together give a palindrome (1323231).

The spelling of 120201311211 in words is "one hundred twenty billion, two hundred one million, three hundred eleven thousand, two hundred eleven".