20141102221 has 2 divisors, whose sum is σ = 20141102222. Its totient is φ = 20141102220.

The previous prime is 20141102203. The next prime is 20141102237. The reversal of 20141102221 is 12220114102.

It is an a-pointer prime, because the next prime (20141102237) can be obtained adding 20141102221 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17100792900 + 3040309321 = 130770^2 + 55139^2 .

It is a cyclic number.

It is not a de Polignac number, because 20141102221 - 2⁹ = 20141101709 is a prime.

It is a super-2 number, since 2×20141102221² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20141102195 and 20141102204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20141102251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10070551110 + 10070551111.

It is an arithmetic number, because the mean of its divisors is an integer number (10070551111).

Almost surely, 2^20141102221 is an apocalyptic number.

It is an amenable number.

20141102221 is a deficient number, since it is larger than the sum of its proper divisors (1).

20141102221 is an equidigital number, since it uses as much as digits as its factorization.

20141102221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20141102221 its reverse (12220114102), we get a palindrome (32361216323).

The spelling of 20141102221 in words is "twenty billion, one hundred forty-one million, one hundred two thousand, two hundred twenty-one".