101210201102221 has 2 divisors, whose sum is σ = 101210201102222. Its totient is φ = 101210201102220.

The previous prime is 101210201102207. The next prime is 101210201102359. The reversal of 101210201102221 is 122201102012101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99652522377321 + 1557678724900 = 9982611^2 + 1248070^2 .

It is a cyclic number.

It is not a de Polignac number, because 101210201102221 - 2⁷ = 101210201102093 is a prime.

It is a super-2 number, since 2×101210201102221² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101210201102195 and 101210201102204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101210201102921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605100551110 + 50605100551111.

It is an arithmetic number, because the mean of its divisors is an integer number (50605100551111).

Almost surely, 2^{101210201102221} is an apocalyptic number.

It is an amenable number.

101210201102221 is a deficient number, since it is larger than the sum of its proper divisors (1).

101210201102221 is an equidigital number, since it uses as much as digits as its factorization.

101210201102221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101210201102221 its reverse (122201102012101), we get a palindrome (223411303114322).

The spelling of 101210201102221 in words is "one hundred one trillion, two hundred ten billion, two hundred one million, one hundred two thousand, two hundred twenty-one".