11202202020281 has 2 divisors, whose sum is σ = 11202202020282. Its totient is φ = 11202202020280.

The previous prime is 11202202020259. The next prime is 11202202020287. The reversal of 11202202020281 is 18202020220211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11180764375225 + 21437645056 = 3343765^2 + 146416^2 .

It is an emirp because it is prime and its reverse (18202020220211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11202202020281 - 2³⁴ = 11185022151097 is a prime.

It is a super-2 number, since 2×11202202020281² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11202202020287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601101010140 + 5601101010141.

It is an arithmetic number, because the mean of its divisors is an integer number (5601101010141).

Almost surely, 2^{11202202020281} is an apocalyptic number.

It is an amenable number.

11202202020281 is a deficient number, since it is larger than the sum of its proper divisors (1).

11202202020281 is an equidigital number, since it uses as much as digits as its factorization.

11202202020281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 11202202020281 its reverse (18202020220211), we get a palindrome (29404222240492).

The spelling of 11202202020281 in words is "eleven trillion, two hundred two billion, two hundred two million, twenty thousand, two hundred eighty-one".