22221200201201 has 2 divisors, whose sum is σ = 22221200201202. Its totient is φ = 22221200201200.

The previous prime is 22221200201159. The next prime is 22221200201219. The reversal of 22221200201201 is 10210200212222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16578936332176 + 5642263869025 = 4071724^2 + 2375345^2 .

It is a cyclic number.

It is not a de Polignac number, because 22221200201201 - 2²² = 22221196006897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22221200201201.

It is not a weakly prime, because it can be changed into another prime (22221200201801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110600100600 + 11110600100601.

It is an arithmetic number, because the mean of its divisors is an integer number (11110600100601).

Almost surely, 2^{22221200201201} is an apocalyptic number.

It is an amenable number.

22221200201201 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221200201201 is an equidigital number, since it uses as much as digits as its factorization.

22221200201201 is an odious number, because the sum of its binary digits is odd.

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

Adding to 22221200201201 its reverse (10210200212222), we get a palindrome (32431400413423).

The spelling of 22221200201201 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred million, two hundred one thousand, two hundred one".