20212120010211 has 16 divisors (see below), whose sum is σ = 26988832309248. Its totient is φ = 13455082347200.

The previous prime is 20212120010149. The next prime is 20212120010261. The reversal of 20212120010211 is 11201002121202.

It is a cyclic number.

It is not a de Polignac number, because 20212120010211 - 2³¹ = 20209972526563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20212120010261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15137290 + ... + 16418336.

It is an arithmetic number, because the mean of its divisors is an integer number (1686802019328).

Almost surely, 2^{20212120010211} is an apocalyptic number.

20212120010211 is a deficient number, since it is larger than the sum of its proper divisors (6776712299037).

20212120010211 is a wasteful number, since it uses less digits than its factorization.

20212120010211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288722.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20212120010211 its reverse (11201002121202), we get a palindrome (31413122131413).

The spelling of 20212120010211 in words is "twenty trillion, two hundred twelve billion, one hundred twenty million, ten thousand, two hundred eleven".