2122020221211 has 12 divisors (see below), whose sum is σ = 3343789439640. Its totient is φ = 1286072861280.

The previous prime is 2122020221171. The next prime is 2122020221213. The reversal of 2122020221211 is 1121220202212.

It is a happy number.

2122020221211 is a `hidden beast` number, since 21 + 220 + 202 + 212 + 11 = 666.

It is not a de Polignac number, because 2122020221211 - 2¹⁸ = 2122019959067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122020221213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10717273746 + ... + 10717273943.

It is an arithmetic number, because the mean of its divisors is an integer number (278649119970).

Almost surely, 2^{2122020221211} is an apocalyptic number.

2122020221211 is a deficient number, since it is larger than the sum of its proper divisors (1221769218429).

2122020221211 is a wasteful number, since it uses less digits than its factorization.

2122020221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21434547706 (or 21434547703 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2122020221211 its reverse (1121220202212), we get a palindrome (3243240423423).

It can be divided in two parts, 21220202212 and 11, that multiplied together give a palindrome (233422224332).

The spelling of 2122020221211 in words is "two trillion, one hundred twenty-two billion, twenty million, two hundred twenty-one thousand, two hundred eleven".