110102203100221 has 2 divisors, whose sum is σ = 110102203100222. Its totient is φ = 110102203100220.

The previous prime is 110102203100207. The next prime is 110102203100237. The reversal of 110102203100221 is 122001302201011.

It is an a-pointer prime, because the next prime (110102203100237) can be obtained adding 110102203100221 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74546145948121 + 35556057152100 = 8634011^2 + 5962890^2 .

It is a cyclic number.

It is not a de Polignac number, because 110102203100221 - 2¹⁵ = 110102203067453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110102203100195 and 110102203100204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110102203100291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55051101550110 + 55051101550111.

It is an arithmetic number, because the mean of its divisors is an integer number (55051101550111).

Almost surely, 2^{110102203100221} is an apocalyptic number.

It is an amenable number.

110102203100221 is a deficient number, since it is larger than the sum of its proper divisors (1).

110102203100221 is an equidigital number, since it uses as much as digits as its factorization.

110102203100221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 110102203100221 its reverse (122001302201011), we get a palindrome (232103505301232).

The spelling of 110102203100221 in words is "one hundred ten trillion, one hundred two billion, two hundred three million, one hundred thousand, two hundred twenty-one".