101110201020221 has 2 divisors, whose sum is σ = 101110201020222. Its totient is φ = 101110201020220.

The previous prime is 101110201020173. The next prime is 101110201020229. The reversal of 101110201020221 is 122020102011101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96493568656996 + 4616632363225 = 9823114^2 + 2148635^2 .

It is a cyclic number.

It is not a de Polignac number, because 101110201020221 - 2²² = 101110196825917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101110201020196 and 101110201020205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101110201020229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50555100510110 + 50555100510111.

It is an arithmetic number, because the mean of its divisors is an integer number (50555100510111).

Almost surely, 2^{101110201020221} is an apocalyptic number.

It is an amenable number.

101110201020221 is a deficient number, since it is larger than the sum of its proper divisors (1).

101110201020221 is an equidigital number, since it uses as much as digits as its factorization.

101110201020221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101110201020221 its reverse (122020102011101), we get a palindrome (223130303031322).

The spelling of 101110201020221 in words is "one hundred one trillion, one hundred ten billion, two hundred one million, twenty thousand, two hundred twenty-one".