21112024422 has 16 divisors (see below), whose sum is σ = 42802461360. Its totient is φ = 6940939392.

The previous prime is 21112024319. The next prime is 21112024441. The reversal of 21112024422 is 22442021112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24100047 + ... + 24100922.

It is an arithmetic number, because the mean of its divisors is an integer number (2675153835).

Almost surely, 2^21112024422 is an apocalyptic number.

21112024422 is an abundant number, since it is smaller than the sum of its proper divisors (21690436938).

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

21112024422 is a wasteful number, since it uses less digits than its factorization.

21112024422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48201047.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 21112024422 its reverse (22442021112), we get a palindrome (43554045534).

The spelling of 21112024422 in words is "twenty-one billion, one hundred twelve million, twenty-four thousand, four hundred twenty-two".