21322203140330 has 32 divisors (see below), whose sum is σ = 40230389441088. Its totient is φ = 8127351388800.

The previous prime is 21322203140317. The next prime is 21322203140383. The reversal of 21322203140330 is 3304130222312.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 21322203140330.

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, 604696016 + ... + 604731275.

It is an arithmetic number, because the mean of its divisors is an integer number (1257199670034).

Almost surely, 2^{21322203140330} is an apocalyptic number.

21322203140330 is a deficient number, since it is larger than the sum of its proper divisors (18908186300758).

21322203140330 is a wasteful number, since it uses less digits than its factorization.

21322203140330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209427382.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 21322203140330 its reverse (3304130222312), we get a palindrome (24626333362642).

The spelling of 21322203140330 in words is "twenty-one trillion, three hundred twenty-two billion, two hundred three million, one hundred forty thousand, three hundred thirty".