10133111232221 has 2 divisors, whose sum is σ = 10133111232222. Its totient is φ = 10133111232220.

The previous prime is 10133111232199. The next prime is 10133111232239. The reversal of 10133111232221 is 12223211133101.

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., 9431126988196 + 701984244025 = 3071014^2 + 837845^2 .

It is a cyclic number.

It is not a de Polignac number, because 10133111232221 - 2¹⁴ = 10133111215837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10133111232121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5066555616110 + 5066555616111.

It is an arithmetic number, because the mean of its divisors is an integer number (5066555616111).

Almost surely, 2^{10133111232221} is an apocalyptic number.

It is an amenable number.

10133111232221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10133111232221 is an equidigital number, since it uses as much as digits as its factorization.

10133111232221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 10133111232221 its reverse (12223211133101), we get a palindrome (22356322365322).

The spelling of 10133111232221 in words is "ten trillion, one hundred thirty-three billion, one hundred eleven million, two hundred thirty-two thousand, two hundred twenty-one".