201211200222 has 16 divisors (see below), whose sum is σ = 407516355840. Its totient is φ = 66221407512.

The previous prime is 201211200217. The next prime is 201211200227. The reversal of 201211200222 is 222002112102.

It is an interprime number because it is at equal distance from previous prime (201211200217) and next prime (201211200227).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201211200227) 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, 212247628 + ... + 212248575.

It is an arithmetic number, because the mean of its divisors is an integer number (25469772240).

Almost surely, 2^201211200222 is an apocalyptic number.

201211200222 is an abundant number, since it is smaller than the sum of its proper divisors (206305155618).

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

201211200222 is a wasteful number, since it uses less digits than its factorization.

201211200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424496287.

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

Adding to 201211200222 its reverse (222002112102), we get a palindrome (423213312324).

The spelling of 201211200222 in words is "two hundred one billion, two hundred eleven million, two hundred thousand, two hundred twenty-two".