21422203003 has 8 divisors (see below), whose sum is σ = 21473840960. Its totient is φ = 21370615560.

The previous prime is 21422202961. The next prime is 21422203009. The reversal of 21422203003 is 30030222412.

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 21422203003 - 2³³ = 12832268411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21422203009) 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, 917488 + ... + 940546.

It is an arithmetic number, because the mean of its divisors is an integer number (2684230120).

Almost surely, 2^21422203003 is an apocalyptic number.

21422203003 is a deficient number, since it is larger than the sum of its proper divisors (51637957).

21422203003 is a wasteful number, since it uses less digits than its factorization.

21422203003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25257.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 21422203003 its reverse (30030222412), we get a palindrome (51452425415).

The spelling of 21422203003 in words is "twenty-one billion, four hundred twenty-two million, two hundred three thousand, three".