2210003300221 has 2 divisors, whose sum is σ = 2210003300222. Its totient is φ = 2210003300220.

The previous prime is 2210003300107. The next prime is 2210003300231. The reversal of 2210003300221 is 1220033000122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2038512895225 + 171490404996 = 1427765^2 + 414114^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210003300221 - 2³³ = 2201413365629 is a prime.

It is a super-2 number, since 2×2210003300221² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2210003300195 and 2210003300204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2210003300231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105001650110 + 1105001650111.

It is an arithmetic number, because the mean of its divisors is an integer number (1105001650111).

Almost surely, 2^{2210003300221} is an apocalyptic number.

It is an amenable number.

2210003300221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210003300221 is an equidigital number, since it uses as much as digits as its factorization.

2210003300221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 2210003300221 its reverse (1220033000122), we get a palindrome (3430036300343).

The spelling of 2210003300221 in words is "two trillion, two hundred ten billion, three million, three hundred thousand, two hundred twenty-one".