21322130303 has 8 divisors (see below), whose sum is σ = 22578625872. Its totient is φ = 20065885056.

The previous prime is 21322130281. The next prime is 21322130327. The reversal of 21322130303 is 30303122312.

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 21322130303 - 2²² = 21317935999 is a prime.

It is a super-2 number, since 2×21322130303² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21322130363) 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, 129701 + ... + 243857.

It is an arithmetic number, because the mean of its divisors is an integer number (2822328234).

Almost surely, 2^21322130303 is an apocalyptic number.

21322130303 is a deficient number, since it is larger than the sum of its proper divisors (1256495569).

21322130303 is a wasteful number, since it uses less digits than its factorization.

21322130303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125161.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21322130303 its reverse (30303122312), we get a palindrome (51625252615).

The spelling of 21322130303 in words is "twenty-one billion, three hundred twenty-two million, one hundred thirty thousand, three hundred three".