22020001110221 has 2 divisors, whose sum is σ = 22020001110222. Its totient is φ = 22020001110220.

The previous prime is 22020001110119. The next prime is 22020001110257. The reversal of 22020001110221 is 12201110002022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19200083604100 + 2819917506121 = 4381790^2 + 1679261^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22020001110221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22020001110196 and 22020001110205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22020001110271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010000555110 + 11010000555111.

It is an arithmetic number, because the mean of its divisors is an integer number (11010000555111).

Almost surely, 2^{22020001110221} is an apocalyptic number.

It is an amenable number.

22020001110221 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020001110221 is an equidigital number, since it uses as much as digits as its factorization.

22020001110221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22020001110221 its reverse (12201110002022), we get a palindrome (34221111112243).

The spelling of 22020001110221 in words is "twenty-two trillion, twenty billion, one million, one hundred ten thousand, two hundred twenty-one".