11032503221 has 2 divisors, whose sum is σ = 11032503222. Its totient is φ = 11032503220.

The previous prime is 11032503071. The next prime is 11032503241. The reversal of 11032503221 is 12230523011.

11032503221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (11032503241) can be obtained adding 11032503221 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6017880625 + 5014622596 = 77575^2 + 70814^2 .

It is a cyclic number.

It is not a de Polignac number, because 11032503221 - 2²⁶ = 10965394357 is a prime.

It is a super-2 number, since 2×11032503221² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11032503193 and 11032503202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11032503241) 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, 5516251610 + 5516251611.

It is an arithmetic number, because the mean of its divisors is an integer number (5516251611).

Almost surely, 2^11032503221 is an apocalyptic number.

It is an amenable number.

11032503221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11032503221 is an equidigital number, since it uses as much as digits as its factorization.

11032503221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The spelling of 11032503221 in words is "eleven billion, thirty-two million, five hundred three thousand, two hundred twenty-one".