21331331322022 has 32 divisors (see below), whose sum is σ = 33706058443200. Its totient is φ = 10104873026688.

The previous prime is 21331331322019. The next prime is 21331331322029. The reversal of 21331331322022 is 22022313313312.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21331331322029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13896604 + ... + 15355072.

It is an arithmetic number, because the mean of its divisors is an integer number (1053314326350).

Almost surely, 2^{21331331322022} is an apocalyptic number.

21331331322022 is a deficient number, since it is larger than the sum of its proper divisors (12374727121178).

21331331322022 is a wasteful number, since it uses less digits than its factorization.

21331331322022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461520.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 21331331322022 its reverse (22022313313312), we get a palindrome (43353644635334).

The spelling of 21331331322022 in words is "twenty-one trillion, three hundred thirty-one billion, three hundred thirty-one million, three hundred twenty-two thousand, twenty-two".