11023221043320 has 128 divisors (see below), whose sum is σ = 33357286347840. Its totient is φ = 2914061598720.

The previous prime is 11023221043249. The next prime is 11023221043361. The reversal of 11023221043320 is 2334012232011.

It is a super-2 number, since 2×11023221043320² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 6084744 + ... + 7685736.

Almost surely, 2^{11023221043320} is an apocalyptic number.

11023221043320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11023221043320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16678643173920).

11023221043320 is an abundant number, since it is smaller than the sum of its proper divisors (22334065304520).

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

11023221043320 is a wasteful number, since it uses less digits than its factorization.

11023221043320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601505 (or 1601501 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 11023221043320 its reverse (2334012232011), we get a palindrome (13357233275331).

The spelling of 11023221043320 in words is "eleven trillion, twenty-three billion, two hundred twenty-one million, forty-three thousand, three hundred twenty".