10033113221 has 2 divisors, whose sum is σ = 10033113222. Its totient is φ = 10033113220.

The previous prime is 10033113217. The next prime is 10033113257. The reversal of 10033113221 is 12231133001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5345656996 + 4687456225 = 73114^2 + 68465^2 .

It is a cyclic number.

It is not a de Polignac number, because 10033113221 - 2² = 10033113217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10033113221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10033113121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5016556610 + 5016556611.

It is an arithmetic number, because the mean of its divisors is an integer number (5016556611).

Almost surely, 2^10033113221 is an apocalyptic number.

It is an amenable number.

10033113221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10033113221 is an equidigital number, since it uses as much as digits as its factorization.

10033113221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10033113221 its reverse (12231133001), we get a palindrome (22264246222).

The spelling of 10033113221 in words is "ten billion, thirty-three million, one hundred thirteen thousand, two hundred twenty-one".