22011321443 has 8 divisors (see below), whose sum is σ = 22102584000. Its totient is φ = 21920154408.

The previous prime is 22011321427. The next prime is 22011321469. The reversal of 22011321443 is 34412311022.

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

It is not a de Polignac number, because 22011321443 - 2⁴ = 22011321427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011321473) 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, 457928 + ... + 503706.

It is an arithmetic number, because the mean of its divisors is an integer number (2762823000).

Almost surely, 2^22011321443 is an apocalyptic number.

22011321443 is a deficient number, since it is larger than the sum of its proper divisors (91262557).

22011321443 is a wasteful number, since it uses less digits than its factorization.

22011321443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47761.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 22011321443 its reverse (34412311022), we get a palindrome (56423632465).

The spelling of 22011321443 in words is "twenty-two billion, eleven million, three hundred twenty-one thousand, four hundred forty-three".