2031201223201 has 4 divisors (see below), whose sum is σ = 2037690684292. Its totient is φ = 2024711762112.

The previous prime is 2031201223159. The next prime is 2031201223211. The reversal of 2031201223201 is 1023221021302.

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 709299155601 + 1321902067600 = 842199^2 + 1149740^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031201223201 - 2¹⁹ = 2031200698913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031201223211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3244730076 + ... + 3244730701.

It is an arithmetic number, because the mean of its divisors is an integer number (509422671073).

Almost surely, 2^{2031201223201} is an apocalyptic number.

It is an amenable number.

2031201223201 is a deficient number, since it is larger than the sum of its proper divisors (6489461091).

2031201223201 is an equidigital number, since it uses as much as digits as its factorization.

2031201223201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6489461090.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2031201223201 its reverse (1023221021302), we get a palindrome (3054422244503).

The spelling of 2031201223201 in words is "two trillion, thirty-one billion, two hundred one million, two hundred twenty-three thousand, two hundred one".