21103422322 has 32 divisors (see below), whose sum is σ = 34792545600. Its totient is φ = 9561400128.

The previous prime is 21103422317. The next prime is 21103422331. The reversal of 21103422322 is 22322430112.

It is a junction number, because it is equal to n+sod(n) for n = 21103422293 and 21103422302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28428 + ... + 207400.

It is an arithmetic number, because the mean of its divisors is an integer number (1087267050).

Almost surely, 2^21103422322 is an apocalyptic number.

21103422322 is a deficient number, since it is larger than the sum of its proper divisors (13689123278).

21103422322 is a wasteful number, since it uses less digits than its factorization.

21103422322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179130.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 21103422322 its reverse (22322430112), we get a palindrome (43425852434).

The spelling of 21103422322 in words is "twenty-one billion, one hundred three million, four hundred twenty-two thousand, three hundred twenty-two".