211332210222 has 32 divisors (see below), whose sum is σ = 483500427264. Its totient is φ = 60323709600.

The previous prime is 211332210203. The next prime is 211332210223. The reversal of 211332210222 is 222012233112.

It is a super-2 number, since 2×211332210222² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211332210223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2326654 + ... + 2415777.

It is an arithmetic number, because the mean of its divisors is an integer number (15109388352).

Almost surely, 2^211332210222 is an apocalyptic number.

211332210222 is an abundant number, since it is smaller than the sum of its proper divisors (272168217042).

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

211332210222 is a wasteful number, since it uses less digits than its factorization.

211332210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4743504.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 211332210222 its reverse (222012233112), we get a palindrome (433344443334).

The spelling of 211332210222 in words is "two hundred eleven billion, three hundred thirty-two million, two hundred ten thousand, two hundred twenty-two".