21103110322 has 8 divisors (see below), whose sum is σ = 36176760576. Its totient is φ = 9044190132.

The previous prime is 21103110317. The next prime is 21103110373. The reversal of 21103110322 is 22301130112.

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

It is a junction number, because it is equal to n+sod(n) for n = 21103110296 and 21103110305.

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, 753682498 + ... + 753682525.

It is an arithmetic number, because the mean of its divisors is an integer number (4522095072).

Almost surely, 2^21103110322 is an apocalyptic number.

21103110322 is a deficient number, since it is larger than the sum of its proper divisors (15073650254).

21103110322 is a wasteful number, since it uses less digits than its factorization.

21103110322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507365032.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21103110322 its reverse (22301130112), we get a palindrome (43404240434).

The spelling of 21103110322 in words is "twenty-one billion, one hundred three million, one hundred ten thousand, three hundred twenty-two".