201013103102221 has 4 divisors (see below), whose sum is σ = 201026430247392. Its totient is φ = 200999775957052.

The previous prime is 201013103102191. The next prime is 201013103102233. The reversal of 201013103102221 is 122201301310102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201013103102221 - 2¹⁹ = 201013102577933 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 (201013103100221) 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, 6663549961 + ... + 6663580126.

It is an arithmetic number, because the mean of its divisors is an integer number (50256607561848).

Almost surely, 2^{201013103102221} is an apocalyptic number.

It is an amenable number.

201013103102221 is a deficient number, since it is larger than the sum of its proper divisors (13327145171).

201013103102221 is a wasteful number, since it uses less digits than its factorization.

201013103102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13327145170.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 201013103102221 its reverse (122201301310102), we get a palindrome (323214404412323).

The spelling of 201013103102221 in words is "two hundred one trillion, thirteen billion, one hundred three million, one hundred two thousand, two hundred twenty-one".