11033224381 has 2 divisors, whose sum is σ = 11033224382. Its totient is φ = 11033224380.

The previous prime is 11033224379. The next prime is 11033224387. The reversal of 11033224381 is 18342233011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10229501881 + 803722500 = 101141^2 + 28350^2 .

It is a cyclic number.

It is not a de Polignac number, because 11033224381 - 2¹ = 11033224379 is a prime.

It is a super-2 number, since 2×11033224381² (a number of 21 digits) contains 22 as substring.

Together with 11033224379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11033224387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5516612190 + 5516612191.

It is an arithmetic number, because the mean of its divisors is an integer number (5516612191).

Almost surely, 2^11033224381 is an apocalyptic number.

It is an amenable number.

11033224381 is a deficient number, since it is larger than the sum of its proper divisors (1).

11033224381 is an equidigital number, since it uses as much as digits as its factorization.

11033224381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 11033224381 its reverse (18342233011), we get a palindrome (29375457392).

The spelling of 11033224381 in words is "eleven billion, thirty-three million, two hundred twenty-four thousand, three hundred eighty-one".