201021130231301 has 4 divisors (see below), whose sum is σ = 201455301139392. Its totient is φ = 200586959323212.

The previous prime is 201021130231291. The next prime is 201021130231309. The reversal of 201021130231301 is 103132031120102.

It is a happy number.

201021130231301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 201021130231301 - 2¹⁸ = 201021129969157 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 (201021130231309) 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, 217085453351 + ... + 217085454276.

It is an arithmetic number, because the mean of its divisors is an integer number (50363825284848).

Almost surely, 2^{201021130231301} is an apocalyptic number.

It is an amenable number.

201021130231301 is a deficient number, since it is larger than the sum of its proper divisors (434170908091).

201021130231301 is an equidigital number, since it uses as much as digits as its factorization.

201021130231301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434170908090.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 201021130231301 its reverse (103132031120102), we get a palindrome (304153161351403).

The spelling of 201021130231301 in words is "two hundred one trillion, twenty-one billion, one hundred thirty million, two hundred thirty-one thousand, three hundred one".