10002233211221 has 2 divisors, whose sum is σ = 10002233211222. Its totient is φ = 10002233211220.

The previous prime is 10002233211167. The next prime is 10002233211319. The reversal of 10002233211221 is 12211233220001.

10002233211221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6344630511025 + 3657602700196 = 2518855^2 + 1912486^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10002233211221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10002233211193 and 10002233211202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10002233213221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001116605610 + 5001116605611.

It is an arithmetic number, because the mean of its divisors is an integer number (5001116605611).

Almost surely, 2^{10002233211221} is an apocalyptic number.

It is an amenable number.

10002233211221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10002233211221 is an equidigital number, since it uses as much as digits as its factorization.

10002233211221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10002233211221 its reverse (12211233220001), we get a palindrome (22213466431222).

The spelling of 10002233211221 in words is "ten trillion, two billion, two hundred thirty-three million, two hundred eleven thousand, two hundred twenty-one".