10033313220221 has 2 divisors, whose sum is σ = 10033313220222. Its totient is φ = 10033313220220.

The previous prime is 10033313220211. The next prime is 10033313220247. The reversal of 10033313220221 is 12202231333001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9486467760121 + 546845460100 = 3080011^2 + 739490^2 .

It is a cyclic number.

It is not a de Polignac number, because 10033313220221 - 2²² = 10033309025917 is a prime.

It is a super-2 number, since 2×10033313220221² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10033313220211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5016656610110 + 5016656610111.

It is an arithmetic number, because the mean of its divisors is an integer number (5016656610111).

Almost surely, 2^{10033313220221} is an apocalyptic number.

It is an amenable number.

10033313220221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10033313220221 is an equidigital number, since it uses as much as digits as its factorization.

10033313220221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 10033313220221 its reverse (12202231333001), we get a palindrome (22235544553222).

The spelling of 10033313220221 in words is "ten trillion, thirty-three billion, three hundred thirteen million, two hundred twenty thousand, two hundred twenty-one".