22001102303321 has 2 divisors, whose sum is σ = 22001102303322. Its totient is φ = 22001102303320.

The previous prime is 22001102303317. The next prime is 22001102303351. The reversal of 22001102303321 is 12330320110022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20167688814025 + 1833413489296 = 4490845^2 + 1354036^2 .

It is a cyclic number.

It is not a de Polignac number, because 22001102303321 - 2² = 22001102303317 is a prime.

It is a super-2 number, since 2×22001102303321² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22001102303293 and 22001102303302.

It is not a weakly prime, because it can be changed into another prime (22001102303351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000551151660 + 11000551151661.

It is an arithmetic number, because the mean of its divisors is an integer number (11000551151661).

Almost surely, 2^{22001102303321} is an apocalyptic number.

It is an amenable number.

22001102303321 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001102303321 is an equidigital number, since it uses as much as digits as its factorization.

22001102303321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22001102303321 its reverse (12330320110022), we get a palindrome (34331422413343).

The spelling of 22001102303321 in words is "twenty-two trillion, one billion, one hundred two million, three hundred three thousand, three hundred twenty-one".