11202101012281 has 2 divisors, whose sum is σ = 11202101012282. Its totient is φ = 11202101012280.

The previous prime is 11202101012197. The next prime is 11202101012321. The reversal of 11202101012281 is 18221010120211.

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., 8775126496656 + 2426974515625 = 2962284^2 + 1557875^2 .

It is a cyclic number.

It is not a de Polignac number, because 11202101012281 - 2⁷ = 11202101012153 is a prime.

It is a super-2 number, since 2×11202101012281² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11202101012581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601050506140 + 5601050506141.

It is an arithmetic number, because the mean of its divisors is an integer number (5601050506141).

Almost surely, 2^{11202101012281} is an apocalyptic number.

It is an amenable number.

11202101012281 is a deficient number, since it is larger than the sum of its proper divisors (1).

11202101012281 is an equidigital number, since it uses as much as digits as its factorization.

11202101012281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 22.

Adding to 11202101012281 its reverse (18221010120211), we get a palindrome (29423111132492).

The spelling of 11202101012281 in words is "eleven trillion, two hundred two billion, one hundred one million, twelve thousand, two hundred eighty-one".