201021013213303 has 4 divisors (see below), whose sum is σ = 201176722752328. Its totient is φ = 200865303674280.

The previous prime is 201021013213271. The next prime is 201021013213327. The reversal of 201021013213303 is 303312310120102.

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

It is a cyclic number.

It is not a de Polignac number, because 201021013213303 - 2⁵ = 201021013213271 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 (201021013253303) 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, 77854767576 + ... + 77854770157.

It is an arithmetic number, because the mean of its divisors is an integer number (50294180688082).

Almost surely, 2^{201021013213303} is an apocalyptic number.

201021013213303 is a deficient number, since it is larger than the sum of its proper divisors (155709539025).

201021013213303 is a wasteful number, since it uses less digits than its factorization.

201021013213303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155709539024.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 201021013213303 its reverse (303312310120102), we get a palindrome (504333323333405).

The spelling of 201021013213303 in words is "two hundred one trillion, twenty-one billion, thirteen million, two hundred thirteen thousand, three hundred three".