22230131123201 has 4 divisors (see below), whose sum is σ = 23537785895172. Its totient is φ = 20922476351232.

The previous prime is 22230131123147. The next prime is 22230131123227. The reversal of 22230131123201 is 10232113103222.

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 10845067444225 + 11385063678976 = 3293185^2 + 3374176^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22230131123201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22230131123261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653827385960 + ... + 653827385993.

It is an arithmetic number, because the mean of its divisors is an integer number (5884446473793).

Almost surely, 2^{22230131123201} is an apocalyptic number.

It is an amenable number.

22230131123201 is a deficient number, since it is larger than the sum of its proper divisors (1307654771971).

22230131123201 is a wasteful number, since it uses less digits than its factorization.

22230131123201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307654771970.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 22230131123201 its reverse (10232113103222), we get a palindrome (32462244226423).

The spelling of 22230131123201 in words is "twenty-two trillion, two hundred thirty billion, one hundred thirty-one million, one hundred twenty-three thousand, two hundred one".