21114443422 has 8 divisors (see below), whose sum is σ = 31681544400. Its totient is φ = 10553928624.

The previous prime is 21114443407. The next prime is 21114443473. The reversal of 21114443422 is 22434441112.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1638522 + ... + 1651357.

It is an arithmetic number, because the mean of its divisors is an integer number (3960193050).

Almost surely, 2^21114443422 is an apocalyptic number.

21114443422 is a deficient number, since it is larger than the sum of its proper divisors (10567100978).

21114443422 is a wasteful number, since it uses less digits than its factorization.

21114443422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3293090.

The product of its digits is 6144, while the sum is 28.

Adding to 21114443422 its reverse (22434441112), we get a palindrome (43548884534).

The spelling of 21114443422 in words is "twenty-one billion, one hundred fourteen million, four hundred forty-three thousand, four hundred twenty-two".