22200201221501 has 2 divisors, whose sum is σ = 22200201221502. Its totient is φ = 22200201221500.

The previous prime is 22200201221441. The next prime is 22200201221521. The reversal of 22200201221501 is 10512210200222.

It is an a-pointer prime, because the next prime (22200201221521) can be obtained adding 22200201221501 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21107133062500 + 1093068159001 = 4594250^2 + 1045499^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22200201221501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22200201221521) 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 as a sum of consecutive naturals, namely, 11100100610750 + 11100100610751.

It is an arithmetic number, because the mean of its divisors is an integer number (11100100610751).

Almost surely, 2^{22200201221501} is an apocalyptic number.

It is an amenable number.

22200201221501 is a deficient number, since it is larger than the sum of its proper divisors (1).

22200201221501 is an equidigital number, since it uses as much as digits as its factorization.

22200201221501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 22200201221501 its reverse (10512210200222), we get a palindrome (32712411421723).

The spelling of 22200201221501 in words is "twenty-two trillion, two hundred billion, two hundred one million, two hundred twenty-one thousand, five hundred one".