21422004103 has 8 divisors (see below), whose sum is σ = 21719943648. Its totient is φ = 21124185984.

The previous prime is 21422004101. The next prime is 21422004167. The reversal of 21422004103 is 30140022412.

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

It is a cyclic number.

It is not a de Polignac number, because 21422004103 - 2¹ = 21422004101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21422004101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359451 + ... + 414787.

It is an arithmetic number, because the mean of its divisors is an integer number (2714992956).

Almost surely, 2^21422004103 is an apocalyptic number.

21422004103 is a deficient number, since it is larger than the sum of its proper divisors (297939545).

21422004103 is an equidigital number, since it uses as much as digits as its factorization.

21422004103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60713.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 21422004103 its reverse (30140022412), we get a palindrome (51562026515).

The spelling of 21422004103 in words is "twenty-one billion, four hundred twenty-two million, four thousand, one hundred three".