11213232210 has 96 divisors (see below), whose sum is σ = 30218039280. Its totient is φ = 2882594304.

The previous prime is 11213232193. The next prime is 11213232211. The reversal of 11213232210 is 1223231211.

11213232210 is a `hidden beast` number, since 1 + 121 + 323 + 221 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 7759671921 + 3453560289 = 88089^2 + 58767^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11213232211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 347524 + ... + 378416.

Almost surely, 2^11213232210 is an apocalyptic number.

11213232210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11213232210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15109019640).

11213232210 is an abundant number, since it is smaller than the sum of its proper divisors (19004807070).

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

11213232210 is a wasteful number, since it uses less digits than its factorization.

11213232210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31052 (or 31049 counting only the distinct ones).

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

Adding to 11213232210 its reverse (1223231211), we get a palindrome (12436463421).

Subtracting from 11213232210 its reverse (1223231211), we obtain a palindrome (9990000999).

The spelling of 11213232210 in words is "eleven billion, two hundred thirteen million, two hundred thirty-two thousand, two hundred ten".