100211020221017 has 2 divisors, whose sum is σ = 100211020221018. Its totient is φ = 100211020221016.

The previous prime is 100211020220999. The next prime is 100211020221127. The reversal of 100211020221017 is 710122020112001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92150707434256 + 8060312786761 = 9599516^2 + 2839069^2 .

It is a cyclic number.

It is not a de Polignac number, because 100211020221017 - 2⁸ = 100211020220761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100211020221017.

It is not a weakly prime, because it can be changed into another prime (100211020221217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50105510110508 + 50105510110509.

It is an arithmetic number, because the mean of its divisors is an integer number (50105510110509).

Almost surely, 2^{100211020221017} is an apocalyptic number.

It is an amenable number.

100211020221017 is a deficient number, since it is larger than the sum of its proper divisors (1).

100211020221017 is an equidigital number, since it uses as much as digits as its factorization.

100211020221017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 100211020221017 its reverse (710122020112001), we get a palindrome (810333040333018).

The spelling of 100211020221017 in words is "one hundred trillion, two hundred eleven billion, twenty million, two hundred twenty-one thousand, seventeen".