21124300322 has 16 divisors (see below), whose sum is σ = 31766598144. Its totient is φ = 10535460000.

The previous prime is 21124300291. The next prime is 21124300391. The reversal of 21124300322 is 22300342112.

It is a junction number, because it is equal to n+sod(n) for n = 21124300294 and 21124300303.

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, 2027747 + ... + 2038137.

It is an arithmetic number, because the mean of its divisors is an integer number (1985412384).

Almost surely, 2^21124300322 is an apocalyptic number.

21124300322 is a deficient number, since it is larger than the sum of its proper divisors (10642297822).

21124300322 is a wasteful number, since it uses less digits than its factorization.

21124300322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12865.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21124300322 its reverse (22300342112), we get a palindrome (43424642434).

The spelling of 21124300322 in words is "twenty-one billion, one hundred twenty-four million, three hundred thousand, three hundred twenty-two".