10000021067 has 2 divisors, whose sum is σ = 10000021068. Its totient is φ = 10000021066.

The previous prime is 10000021063. The next prime is 10000021069. The reversal of 10000021067 is 76012000001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10000021067 - 2² = 10000021063 is a prime.

Together with 10000021069, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10000021063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000010533 + 5000010534.

It is an arithmetic number, because the mean of its divisors is an integer number (5000010534).

Almost surely, 2^10000021067 is an apocalyptic number.

10000021067 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000021067 is an equidigital number, since it uses as much as digits as its factorization.

10000021067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 17.

Adding to 10000021067 its reverse (76012000001), we get a palindrome (86012021068).

The spelling of 10000021067 in words is "ten billion, twenty-one thousand, sixty-seven".