10100021231 has 2 divisors, whose sum is σ = 10100021232. Its totient is φ = 10100021230.

The previous prime is 10100021227. The next prime is 10100021233. The reversal of 10100021231 is 13212000101.

10100021231 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 not a de Polignac number, because 10100021231 - 2² = 10100021227 is a prime.

It is a super-2 number, since 2×10100021231² (a number of 21 digits) contains 22 as substring.

Together with 10100021233, 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 (10100021233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050010615 + 5050010616.

It is an arithmetic number, because the mean of its divisors is an integer number (5050010616).

Almost surely, 2^10100021231 is an apocalyptic number.

10100021231 is a deficient number, since it is larger than the sum of its proper divisors (1).

10100021231 is an equidigital number, since it uses as much as digits as its factorization.

10100021231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10100021231 its reverse (13212000101), we get a palindrome (23312021332).

The spelling of 10100021231 in words is "ten billion, one hundred million, twenty-one thousand, two hundred thirty-one".