221313230020301 has 16 divisors (see below), whose sum is σ = 222173858300400. Its totient is φ = 220454349373440.

The previous prime is 221313230020187. The next prime is 221313230020327. The reversal of 221313230020301 is 103020032313122.

It can be written as a sum of positive squares in 8 ways, for example, as 1672234336201 + 219640995684100 = 1293149^2 + 14820290^2 .

It is a cyclic number.

It is not a de Polignac number, because 221313230020301 - 2³⁸ = 221038352113357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221313230022301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1849565591 + ... + 1849685243.

It is an arithmetic number, because the mean of its divisors is an integer number (13885866143775).

Almost surely, 2^{221313230020301} is an apocalyptic number.

It is an amenable number.

221313230020301 is a deficient number, since it is larger than the sum of its proper divisors (860628280099).

221313230020301 is a wasteful number, since it uses less digits than its factorization.

221313230020301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126896.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 221313230020301 its reverse (103020032313122), we get a palindrome (324333262333423).

The spelling of 221313230020301 in words is "two hundred twenty-one trillion, three hundred thirteen billion, two hundred thirty million, twenty thousand, three hundred one".