22110210221201 has 2 divisors, whose sum is σ = 22110210221202. Its totient is φ = 22110210221200.

The previous prime is 22110210221179. The next prime is 22110210221207. The reversal of 22110210221201 is 10212201201122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19116701230225 + 2993508990976 = 4372265^2 + 1730176^2 .

It is a cyclic number.

It is not a de Polignac number, because 22110210221201 - 2⁶ = 22110210221137 is a prime.

It is a super-2 number, since 2×22110210221201² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22110210221201.

It is not a weakly prime, because it can be changed into another prime (22110210221207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055105110600 + 11055105110601.

It is an arithmetic number, because the mean of its divisors is an integer number (11055105110601).

Almost surely, 2^{22110210221201} is an apocalyptic number.

It is an amenable number.

22110210221201 is a deficient number, since it is larger than the sum of its proper divisors (1).

22110210221201 is an equidigital number, since it uses as much as digits as its factorization.

22110210221201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22110210221201 its reverse (10212201201122), we get a palindrome (32322411422323).

The spelling of 22110210221201 in words is "twenty-two trillion, one hundred ten billion, two hundred ten million, two hundred twenty-one thousand, two hundred one".