201223321044401 has 4 divisors (see below), whose sum is σ = 204522064012404. Its totient is φ = 197924578076400.

The previous prime is 201223321044367. The next prime is 201223321044409. The reversal of 201223321044401 is 104440123322102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13810506630001 + 187412814414400 = 3716249^2 + 13689880^2 .

It is a cyclic number.

It is not a de Polignac number, because 201223321044401 - 2¹⁴ = 201223321028017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201223321044409) 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, 1649371483910 + ... + 1649371484031.

It is an arithmetic number, because the mean of its divisors is an integer number (51130516003101).

Almost surely, 2^{201223321044401} is an apocalyptic number.

It is an amenable number.

201223321044401 is a deficient number, since it is larger than the sum of its proper divisors (3298742968003).

201223321044401 is an equidigital number, since it uses as much as digits as its factorization.

201223321044401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3298742968002.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 201223321044401 its reverse (104440123322102), we get a palindrome (305663444366503).

The spelling of 201223321044401 in words is "two hundred one trillion, two hundred twenty-three billion, three hundred twenty-one million, forty-four thousand, four hundred one".