10021101221069 has 2 divisors, whose sum is σ = 10021101221070. Its totient is φ = 10021101221068.

The previous prime is 10021101221063. The next prime is 10021101221111. The reversal of 10021101221069 is 96012210112001.

10021101221069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7014223839844 + 3006877381225 = 2648438^2 + 1734035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10021101221069 is a prime.

It is a super-2 number, since 2×10021101221069² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021101221063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010550610534 + 5010550610535.

It is an arithmetic number, because the mean of its divisors is an integer number (5010550610535).

Almost surely, 2^{10021101221069} is an apocalyptic number.

It is an amenable number.

10021101221069 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021101221069 is an equidigital number, since it uses as much as digits as its factorization.

10021101221069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 10021101221069 in words is "ten trillion, twenty-one billion, one hundred one million, two hundred twenty-one thousand, sixty-nine".