120020211211 has 16 divisors (see below), whose sum is σ = 123726074400. Its totient is φ = 116369180928.

The previous prime is 120020211187. The next prime is 120020211239. The reversal of 120020211211 is 112112020021.

It is a cyclic number.

It is not a de Polignac number, because 120020211211 - 2³¹ = 117872727563 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120020211191 and 120020211200.

It is not an unprimeable number, because it can be changed into a prime (120020211251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10272505 + ... + 10284181.

It is an arithmetic number, because the mean of its divisors is an integer number (7732879650).

Almost surely, 2^120020211211 is an apocalyptic number.

120020211211 is a deficient number, since it is larger than the sum of its proper divisors (3705863189).

120020211211 is a wasteful number, since it uses less digits than its factorization.

120020211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13998.

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

Adding to 120020211211 its reverse (112112020021), we get a palindrome (232132231232).

The spelling of 120020211211 in words is "one hundred twenty billion, twenty million, two hundred eleven thousand, two hundred eleven".