21321222310030 has 32 divisors (see below), whose sum is σ = 38463657200640. Its totient is φ = 8509519593120.

The previous prime is 21321222310007. The next prime is 21321222310097. The reversal of 21321222310030 is 3001322212312.

It is a junction number, because it is equal to n+sod(n) for n = 21321222309983 and 21321222310010.

It is a congruent number.

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, 6761281 + ... + 9399859.

It is an arithmetic number, because the mean of its divisors is an integer number (1201989287520).

Almost surely, 2^{21321222310030} is an apocalyptic number.

21321222310030 is a deficient number, since it is larger than the sum of its proper divisors (17142434890610).

21321222310030 is a wasteful number, since it uses less digits than its factorization.

21321222310030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640384.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21321222310030 its reverse (3001322212312), we get a palindrome (24322544522342).

The spelling of 21321222310030 in words is "twenty-one trillion, three hundred twenty-one billion, two hundred twenty-two million, three hundred ten thousand, thirty".