22120002100201 has 2 divisors, whose sum is σ = 22120002100202. Its totient is φ = 22120002100200.

The previous prime is 22120002100153. The next prime is 22120002100211. The reversal of 22120002100201 is 10200120002122.

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., 15124717680601 + 6995284419600 = 3889051^2 + 2644860^2 .

It is a cyclic number.

It is not a de Polignac number, because 22120002100201 - 2⁷ = 22120002100073 is a prime.

It is not a weakly prime, because it can be changed into another prime (22120002100211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060001050100 + 11060001050101.

It is an arithmetic number, because the mean of its divisors is an integer number (11060001050101).

Almost surely, 2^{22120002100201} is an apocalyptic number.

It is an amenable number.

22120002100201 is a deficient number, since it is larger than the sum of its proper divisors (1).

22120002100201 is an equidigital number, since it uses as much as digits as its factorization.

22120002100201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22120002100201 its reverse (10200120002122), we get a palindrome (32320122102323).

The spelling of 22120002100201 in words is "twenty-two trillion, one hundred twenty billion, two million, one hundred thousand, two hundred one".