11000232281 has 2 divisors, whose sum is σ = 11000232282. Its totient is φ = 11000232280.

The previous prime is 11000232259. The next prime is 11000232283. The reversal of 11000232281 is 18223200011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9595182025 + 1405050256 = 97955^2 + 37484^2 .

It is an emirp because it is prime and its reverse (18223200011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11000232281 - 2²⁶ = 10933123417 is a prime.

It is a super-2 number, since 2×11000232281² (a number of 21 digits) contains 22 as substring.

Together with 11000232283, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11000232283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500116140 + 5500116141.

It is an arithmetic number, because the mean of its divisors is an integer number (5500116141).

Almost surely, 2^11000232281 is an apocalyptic number.

It is an amenable number.

11000232281 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000232281 is an equidigital number, since it uses as much as digits as its factorization.

11000232281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11000232281 its reverse (18223200011), we get a palindrome (29223432292).

The spelling of 11000232281 in words is "eleven billion, two hundred thirty-two thousand, two hundred eighty-one".