201221023103301 has 4 divisors (see below), whose sum is σ = 268294697471072. Its totient is φ = 134147348735532.

The previous prime is 201221023103257. The next prime is 201221023103341. The reversal of 201221023103301 is 103301320122102.

201221023103301 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 not a de Polignac number, because 201221023103301 - 2⁹ = 201221023102789 is a prime.

It is a super-3 number, since 3×201221023103301³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201221023103341) 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, 33536837183881 + ... + 33536837183886.

It is an arithmetic number, because the mean of its divisors is an integer number (67073674367768).

Almost surely, 2^{201221023103301} is an apocalyptic number.

It is an amenable number.

201221023103301 is a deficient number, since it is larger than the sum of its proper divisors (67073674367771).

201221023103301 is an equidigital number, since it uses as much as digits as its factorization.

201221023103301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67073674367770.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 201221023103301 its reverse (103301320122102), we get a palindrome (304522343225403).

The spelling of 201221023103301 in words is "two hundred one trillion, two hundred twenty-one billion, twenty-three million, one hundred three thousand, three hundred one".