10021002221231 has 2 divisors, whose sum is σ = 10021002221232. Its totient is φ = 10021002221230.

The previous prime is 10021002221201. The next prime is 10021002221233. The reversal of 10021002221231 is 13212220012001.

10021002221231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10021002221231 is a prime.

It is a super-2 number, since 2×10021002221231² (a number of 27 digits) contains 22 as substring.

Together with 10021002221233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021002221233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010501110615 + 5010501110616.

It is an arithmetic number, because the mean of its divisors is an integer number (5010501110616).

Almost surely, 2^{10021002221231} is an apocalyptic number.

10021002221231 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021002221231 is an equidigital number, since it uses as much as digits as its factorization.

10021002221231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10021002221231 its reverse (13212220012001), we get a palindrome (23233222233232).

The spelling of 10021002221231 in words is "ten trillion, twenty-one billion, two million, two hundred twenty-one thousand, two hundred thirty-one".