211103322222 has 64 divisors (see below), whose sum is σ = 474744291840. Its totient is φ = 62092593024.

The previous prime is 211103322181. The next prime is 211103322223. The reversal of 211103322222 is 222223301112.

It is a super-2 number, since 2×211103322222² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211103322223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2955304 + ... + 3025892.

It is an arithmetic number, because the mean of its divisors is an integer number (7417879560).

Almost surely, 2^211103322222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211103322222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237372145920).

211103322222 is an abundant number, since it is smaller than the sum of its proper divisors (263640969618).

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

211103322222 is a wasteful number, since it uses less digits than its factorization.

211103322222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72297.

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

Adding to 211103322222 its reverse (222223301112), we get a palindrome (433326623334).

The spelling of 211103322222 in words is "two hundred eleven billion, one hundred three million, three hundred twenty-two thousand, two hundred twenty-two".