11223021043 has 8 divisors (see below), whose sum is σ = 12231949968. Its totient is φ = 10234894944.

The previous prime is 11223021037. The next prime is 11223021071. The reversal of 11223021043 is 34012032211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11223021043 - 2⁹ = 11223020531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11223021043.

It is not an unprimeable number, because it can be changed into a prime (11223021343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5199580 + ... + 5201737.

It is an arithmetic number, because the mean of its divisors is an integer number (1528993746).

Almost surely, 2^11223021043 is an apocalyptic number.

11223021043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11223021043 is a deficient number, since it is larger than the sum of its proper divisors (1008928925).

11223021043 is a wasteful number, since it uses less digits than its factorization.

11223021043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10401413.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11223021043 its reverse (34012032211), we get a palindrome (45235053254).

The spelling of 11223021043 in words is "eleven billion, two hundred twenty-three million, twenty-one thousand, forty-three".