11221410522 has 96 divisors (see below), whose sum is σ = 27443152512. Its totient is φ = 3044084736.

The previous prime is 11221410493. The next prime is 11221410547. The reversal of 11221410522 is 22501412211.

11221410522 is digitally balanced in base 2, 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 (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 920338 + ... + 932450.

It is an arithmetic number, because the mean of its divisors is an integer number (285866172).

Almost surely, 2^11221410522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11221410522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13721576256).

11221410522 is an abundant number, since it is smaller than the sum of its proper divisors (16221741990).

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

11221410522 is a wasteful number, since it uses less digits than its factorization.

11221410522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12292 (or 12285 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 11221410522 its reverse (22501412211), we get a palindrome (33722822733).

The spelling of 11221410522 in words is "eleven billion, two hundred twenty-one million, four hundred ten thousand, five hundred twenty-two".