201211022 has 16 divisors (see below), whose sum is σ = 307573200. Its totient is φ = 98704320.

The previous prime is 201211013. The next prime is 201211027. The reversal of 201211022 is 220112102.

It is a happy number.

201211022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201210994 and 201211012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201211027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19004 + ... + 27632.

It is an arithmetic number, because the mean of its divisors is an integer number (19223325).

Almost surely, 2^201211022 is an apocalyptic number.

201211022 is a deficient number, since it is larger than the sum of its proper divisors (106362178).

201211022 is a wasteful number, since it uses less digits than its factorization.

201211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8851.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 201211022 is about 14184.8870985990. The cubic root of 201211022 is about 585.9815231781.

Adding to 201211022 its reverse (220112102), we get a palindrome (421323124).

The spelling of 201211022 in words is "two hundred one million, two hundred eleven thousand, twenty-two".