22003303321221 has 16 divisors (see below), whose sum is σ = 29460122818368. Its totient is φ = 14607679046400.

The previous prime is 22003303321217. The next prime is 22003303321231. The reversal of 22003303321221 is 12212330330022.

It is not a de Polignac number, because 22003303321221 - 2² = 22003303321217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22003303321191 and 22003303321200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22003303321231) 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, 34920255 + ... + 35544771.

It is an arithmetic number, because the mean of its divisors is an integer number (1841257676148).

Almost surely, 2^{22003303321221} is an apocalyptic number.

It is an amenable number.

22003303321221 is a deficient number, since it is larger than the sum of its proper divisors (7456819497147).

22003303321221 is a wasteful number, since it uses less digits than its factorization.

22003303321221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673492.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 22003303321221 its reverse (12212330330022), we get a palindrome (34215633651243).

The spelling of 22003303321221 in words is "twenty-two trillion, three billion, three hundred three million, three hundred twenty-one thousand, two hundred twenty-one".