21103322322 has 8 divisors (see below), whose sum is σ = 42206644656. Its totient is φ = 7034440772.

The previous prime is 21103322297. The next prime is 21103322347. The reversal of 21103322322 is 22322330112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (21103322297) and next prime (21103322347).

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

21103322322 is an admirable 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, 1758610188 + ... + 1758610199.

It is an arithmetic number, because the mean of its divisors is an integer number (5275830582).

Almost surely, 2^21103322322 is an apocalyptic number.

21103322322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21103322322 is a wasteful number, since it uses less digits than its factorization.

21103322322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3517220392.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 21103322322 its reverse (22322330112), we get a palindrome (43425652434).

The spelling of 21103322322 in words is "twenty-one billion, one hundred three million, three hundred twenty-two thousand, three hundred twenty-two".