201021241301 has 4 divisors (see below), whose sum is σ = 207505797504. Its totient is φ = 194536685100.

The previous prime is 201021241279. The next prime is 201021241303. The reversal of 201021241301 is 103142120102.

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 a de Polignac number, because none of the positive numbers 2^k-201021241301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201021241301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201021241303) 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, 3242278055 + ... + 3242278116.

It is an arithmetic number, because the mean of its divisors is an integer number (51876449376).

Almost surely, 2^201021241301 is an apocalyptic number.

It is an amenable number.

201021241301 is a deficient number, since it is larger than the sum of its proper divisors (6484556203).

201021241301 is an equidigital number, since it uses as much as digits as its factorization.

201021241301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6484556202.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 201021241301 its reverse (103142120102), we get a palindrome (304163361403).

The spelling of 201021241301 in words is "two hundred one billion, twenty-one million, two hundred forty-one thousand, three hundred one".