321300021422 has 8 divisors (see below), whose sum is σ = 481979943000. Its totient is φ = 160640040424.

The previous prime is 321300021421. The next prime is 321300021457. The reversal of 321300021422 is 224120003123.

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

It is a junction number, because it is equal to n+sod(n) for n = 321300021394 and 321300021403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321300021421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4944797 + ... + 5009352.

It is an arithmetic number, because the mean of its divisors is an integer number (60247492875).

Almost surely, 2^321300021422 is an apocalyptic number.

321300021422 is a deficient number, since it is larger than the sum of its proper divisors (160679921578).

321300021422 is a wasteful number, since it uses less digits than its factorization.

321300021422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9970290.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 321300021422 its reverse (224120003123), we get a palindrome (545420024545).

The spelling of 321300021422 in words is "three hundred twenty-one billion, three hundred million, twenty-one thousand, four hundred twenty-two".