11021232210 has 64 divisors (see below), whose sum is σ = 27407134080. Its totient is φ = 2833080320.

The previous prime is 11021232199. The next prime is 11021232259. The reversal of 11021232210 is 1223212011.

11021232210 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11021232210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 547789 + ... + 567551.

It is an arithmetic number, because the mean of its divisors is an integer number (428236470).

Almost surely, 2^11021232210 is an apocalyptic number.

11021232210 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 11021232210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13703567040).

11021232210 is an abundant number, since it is smaller than the sum of its proper divisors (16385901870).

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

11021232210 is a wasteful number, since it uses less digits than its factorization.

11021232210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20443.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11021232210 its reverse (1223212011), we get a palindrome (12244444221).

The spelling of 11021232210 in words is "eleven billion, twenty-one million, two hundred thirty-two thousand, two hundred ten".