11310213222 has 120 divisors (see below), whose sum is σ = 32161262760. Its totient is φ = 2937695040.

The previous prime is 11310213199. The next prime is 11310213227. The reversal of 11310213222 is 22231201311.

11310213222 is a `hidden beast` number, since 11 + 310 + 21 + 322 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11310213195 and 11310213204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11310213227) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 22554 + ... + 152082.

It is an arithmetic number, because the mean of its divisors is an integer number (268010523).

Almost surely, 2^11310213222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11310213222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16080631380).

11310213222 is an abundant number, since it is smaller than the sum of its proper divisors (20851049538).

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

11310213222 is a wasteful number, since it uses less digits than its factorization.

11310213222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129568 (or 129552 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11310213222 its reverse (22231201311), we get a palindrome (33541414533).

The spelling of 11310213222 in words is "eleven billion, three hundred ten million, two hundred thirteen thousand, two hundred twenty-two".