10021069 has 2 divisors, whose sum is σ = 10021070. Its totient is φ = 10021068.

The previous prime is 10021061. The next prime is 10021073. The reversal of 10021069 is 96012001.

10021069 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 can be written as a sum of positive squares in only one way, i.e., 10017225 + 3844 = 3165^2 + 62^2 .

It is an emirp because it is prime and its reverse (96012001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10021069 - 2³ = 10021061 is a prime.

It is a super-2 number, since 2×10021069² = 200843647805522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010534 + 5010535.

It is an arithmetic number, because the mean of its divisors is an integer number (5010535).

Almost surely, 2^10021069 is an apocalyptic number.

It is an amenable number.

10021069 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021069 is an equidigital number, since it uses as much as digits as its factorization.

10021069 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.

The square root of 10021069 is about 3165.6072087358. The cubic root of 10021069 is about 215.5946688135.

The spelling of 10021069 in words is "ten million, twenty-one thousand, sixty-nine".