21321003303022 has 16 divisors (see below), whose sum is σ = 31992599121120. Its totient is φ = 10656804226432.

The previous prime is 21321003302983. The next prime is 21321003303029. The reversal of 21321003303022 is 22030330012312.

It is a junction number, because it is equal to n+sod(n) for n = 21321003302984 and 21321003303002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21321003303029) by changing a digit.

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, 70181583 + ... + 70484725.

It is an arithmetic number, because the mean of its divisors is an integer number (1999537445070).

Almost surely, 2^{21321003303022} is an apocalyptic number.

21321003303022 is a deficient number, since it is larger than the sum of its proper divisors (10671595818098).

21321003303022 is a wasteful number, since it uses less digits than its factorization.

21321003303022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315227.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 21321003303022 its reverse (22030330012312), we get a palindrome (43351333315334).

The spelling of 21321003303022 in words is "twenty-one trillion, three hundred twenty-one billion, three million, three hundred three thousand, twenty-two".