211022020210 has 16 divisors (see below), whose sum is σ = 379845207000. Its totient is φ = 84407570176.

The previous prime is 211022020201. The next prime is 211022020211. The reversal of 211022020210 is 12020220112.

It is a happy number.

211022020210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 210935362729 + 86657481 = 459277^2 + 9309^2 .

It is not an unprimeable number, because it can be changed into a prime (211022020211) 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 7 ways as a sum of consecutive naturals, for example, 910266 + ... + 1118314.

Almost surely, 2^211022020210 is an apocalyptic number.

211022020210 is a deficient number, since it is larger than the sum of its proper divisors (168823186790).

211022020210 is a wasteful number, since it uses less digits than its factorization.

211022020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309485.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 211022020210 its reverse (12020220112), we get a palindrome (223042240322).

The spelling of 211022020210 in words is "two hundred eleven billion, twenty-two million, twenty thousand, two hundred ten".