22122012200201 has 4 divisors (see below), whose sum is σ = 22122169002900. Its totient is φ = 22121855397504.

The previous prime is 22122012200179. The next prime is 22122012200203. The reversal of 22122012200201 is 10200221022122.

It is a happy number.

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 9309363765625 + 12812648434576 = 3051125^2 + 3579476^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22122012200201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22122012200201.

It is not an unprimeable number, because it can be changed into a prime (22122012200203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78189536 + ... + 78471953.

It is an arithmetic number, because the mean of its divisors is an integer number (5530542250725).

Almost surely, 2^{22122012200201} is an apocalyptic number.

It is an amenable number.

22122012200201 is a deficient number, since it is larger than the sum of its proper divisors (156802699).

22122012200201 is a wasteful number, since it uses less digits than its factorization.

22122012200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156802698.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22122012200201 its reverse (10200221022122), we get a palindrome (32322233222323).

The spelling of 22122012200201 in words is "twenty-two trillion, one hundred twenty-two billion, twelve million, two hundred thousand, two hundred one".