21230321223332 has 24 divisors (see below), whose sum is σ = 40250576780736. Its totient is φ = 9739935481248.

The previous prime is 21230321223329. The next prime is 21230321223373. The reversal of 21230321223332 is 23332212303212.

It is a super-2 number, since 2×21230321223332² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21230321223295 and 21230321223304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1222372778 + ... + 1222390145.

It is an arithmetic number, because the mean of its divisors is an integer number (1677107365864).

Almost surely, 2^{21230321223332} is an apocalyptic number.

It is an amenable number.

21230321223332 is a deficient number, since it is larger than the sum of its proper divisors (19020255557404).

21230321223332 is a wasteful number, since it uses less digits than its factorization.

21230321223332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444763107 (or 2444763105 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 21230321223332 its reverse (23332212303212), we get a palindrome (44562533526544).

The spelling of 21230321223332 in words is "twenty-one trillion, two hundred thirty billion, three hundred twenty-one million, two hundred twenty-three thousand, three hundred thirty-two".