21313232132222 has 8 divisors (see below), whose sum is σ = 31971960277056. Its totient is φ = 10655912039872.

The previous prime is 21313232132147. The next prime is 21313232132243. The reversal of 21313232132222 is 22223123231312.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351975278 + ... + 352035825.

It is an arithmetic number, because the mean of its divisors is an integer number (3996495034632).

Almost surely, 2^{21313232132222} is an apocalyptic number.

21313232132222 is a deficient number, since it is larger than the sum of its proper divisors (10658728144834).

21313232132222 is a wasteful number, since it uses less digits than its factorization.

21313232132222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704026242.

The product of its digits is 10368, while the sum is 29.

Adding to 21313232132222 its reverse (22223123231312), we get a palindrome (43536355363534).

The spelling of 21313232132222 in words is "twenty-one trillion, three hundred thirteen billion, two hundred thirty-two million, one hundred thirty-two thousand, two hundred twenty-two".