211021020222 has 16 divisors (see below), whose sum is σ = 428341176192. Its totient is φ = 69290484120.

The previous prime is 211021020209. The next prime is 211021020239. The reversal of 211021020222 is 222020120112.

211021020222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 262463554 + ... + 262464357.

It is an arithmetic number, because the mean of its divisors is an integer number (26771323512).

Almost surely, 2^211021020222 is an apocalyptic number.

211021020222 is an abundant number, since it is smaller than the sum of its proper divisors (217320155970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211021020222 is a wasteful number, since it uses less digits than its factorization.

211021020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524927983.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 211021020222 its reverse (222020120112), we get a palindrome (433041140334).

The spelling of 211021020222 in words is "two hundred eleven billion, twenty-one million, twenty thousand, two hundred twenty-two".