120021201211 has 4 divisors (see below), whose sum is σ = 122948547624. Its totient is φ = 117093854800.

The previous prime is 120021201121. The next prime is 120021201233. The reversal of 120021201211 is 112102120021.

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 120021201211 - 2³³ = 111431266619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120021201191 and 120021201200.

It is not an unprimeable number, because it can be changed into a prime (120021201511) 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, 1463673145 + ... + 1463673226.

It is an arithmetic number, because the mean of its divisors is an integer number (30737136906).

Almost surely, 2^120021201211 is an apocalyptic number.

120021201211 is a deficient number, since it is larger than the sum of its proper divisors (2927346413).

120021201211 is an equidigital number, since it uses as much as digits as its factorization.

120021201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927346412.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120021201211 its reverse (112102120021), we get a palindrome (232123321232).

The spelling of 120021201211 in words is "one hundred twenty billion, twenty-one million, two hundred one thousand, two hundred eleven".