11021443730 has 32 divisors (see below), whose sum is σ = 21647029248. Its totient is φ = 4006886400.

The previous prime is 11021443721. The next prime is 11021443747. The reversal of 11021443730 is 3734412011.

It is a self number, because there is not a number n which added to its sum of digits gives 11021443730.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646415 + ... + 663245.

It is an arithmetic number, because the mean of its divisors is an integer number (676469664).

Almost surely, 2^11021443730 is an apocalyptic number.

11021443730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11021443730 is a deficient number, since it is larger than the sum of its proper divisors (10625585518).

11021443730 is a wasteful number, since it uses less digits than its factorization.

11021443730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22802.

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 11021443730 its reverse (3734412011), we get a palindrome (14755855741).

The spelling of 11021443730 in words is "eleven billion, twenty-one million, four hundred forty-three thousand, seven hundred thirty".