2063102664221 has 4 divisors (see below), whose sum is σ = 2063320461372. Its totient is φ = 2062884867072.

The previous prime is 2063102664197. The next prime is 2063102664229. The reversal of 2063102664221 is 1224662013602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1874473144996 + 188629519225 = 1369114^2 + 434315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2063102664221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2063102664229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108884366 + ... + 108903311.

It is an arithmetic number, because the mean of its divisors is an integer number (515830115343).

Almost surely, 2^{2063102664221} is an apocalyptic number.

It is an amenable number.

2063102664221 is a deficient number, since it is larger than the sum of its proper divisors (217797151).

2063102664221 is an equidigital number, since it uses as much as digits as its factorization.

2063102664221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217797150.

The product of its (nonzero) digits is 41472, while the sum is 35.

Adding to 2063102664221 its reverse (1224662013602), we get a palindrome (3287764677823).

The spelling of 2063102664221 in words is "two trillion, sixty-three billion, one hundred two million, six hundred sixty-four thousand, two hundred twenty-one".