21220230200322 has 32 divisors (see below), whose sum is σ = 42459429268800. Its totient is φ = 7070248902080.

The previous prime is 21220230200261. The next prime is 21220230200353. The reversal of 21220230200322 is 22300203202212.

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, 473189233 + ... + 473234075.

It is an arithmetic number, because the mean of its divisors is an integer number (1326857164650).

Almost surely, 2^{21220230200322} is an apocalyptic number.

21220230200322 is an abundant number, since it is smaller than the sum of its proper divisors (21239199068478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21220230200322 is a wasteful number, since it uses less digits than its factorization.

21220230200322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78338.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 21220230200322 its reverse (22300203202212), we get a palindrome (43520433402534).

The spelling of 21220230200322 in words is "twenty-one trillion, two hundred twenty billion, two hundred thirty million, two hundred thousand, three hundred twenty-two".