10001221093 has 2 divisors, whose sum is σ = 10001221094. Its totient is φ = 10001221092.

The previous prime is 10001221081. The next prime is 10001221103. The reversal of 10001221093 is 39012210001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9974616129 + 26604964 = 99873^2 + 5158^2 .

It is an emirp because it is prime and its reverse (39012210001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10001221093 is a prime.

It is a super-2 number, since 2×10001221093² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10001221093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10001221003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000610546 + 5000610547.

It is an arithmetic number, because the mean of its divisors is an integer number (5000610547).

Almost surely, 2^10001221093 is an apocalyptic number.

It is an amenable number.

10001221093 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001221093 is an equidigital number, since it uses as much as digits as its factorization.

10001221093 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 19.

Adding to 10001221093 its reverse (39012210001), we get a palindrome (49013431094).

The spelling of 10001221093 in words is "ten billion, one million, two hundred twenty-one thousand, ninety-three".