11221240043 has 8 divisors (see below), whose sum is σ = 12129339600. Its totient is φ = 10319558688.

The previous prime is 11221240033. The next prime is 11221240049. The reversal of 11221240043 is 34004212211.

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 11221240043 - 2⁶ = 11221239979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11221239997 and 11221240024.

It is not an unprimeable number, because it can be changed into a prime (11221240049) 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, 1600913 + ... + 1607906.

It is an arithmetic number, because the mean of its divisors is an integer number (1516167450).

Almost surely, 2^11221240043 is an apocalyptic number.

11221240043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11221240043 is a deficient number, since it is larger than the sum of its proper divisors (908099557).

11221240043 is a wasteful number, since it uses less digits than its factorization.

11221240043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3209101.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11221240043 its reverse (34004212211), we get a palindrome (45225452254).

The spelling of 11221240043 in words is "eleven billion, two hundred twenty-one million, two hundred forty thousand, forty-three".