10000110101021 has 2 divisors, whose sum is σ = 10000110101022. Its totient is φ = 10000110101020.

The previous prime is 10000110100991. The next prime is 10000110101029. The reversal of 10000110101021 is 12010101100001.

It is a happy number.

It is an a-pointer prime, because the next prime (10000110101029) can be obtained adding 10000110101021 to its sum of digits (8).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7528910380996 + 2471199720025 = 2743886^2 + 1572005^2 .

It is an emirp because it is prime and its reverse (12010101100001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10000110101021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10000110101029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000055050510 + 5000055050511.

It is an arithmetic number, because the mean of its divisors is an integer number (5000055050511).

Almost surely, 2^{10000110101021} is an apocalyptic number.

It is an amenable number.

10000110101021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000110101021 is an equidigital number, since it uses as much as digits as its factorization.

10000110101021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 10000110101021 its reverse (12010101100001), we get a palindrome (22010211201022).

The spelling of 10000110101021 in words is "ten trillion, one hundred ten million, one hundred one thousand, twenty-one".