201222012244109 has 2 divisors, whose sum is σ = 201222012244110. Its totient is φ = 201222012244108.

The previous prime is 201222012244091. The next prime is 201222012244151. The reversal of 201222012244109 is 901442210222102.

Together with previous prime (201222012244091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120852974689225 + 80369037554884 = 10993315^2 + 8964878^2 .

It is a cyclic number.

It is not a de Polignac number, because 201222012244109 - 2⁴⁰ = 200122500616333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201222012244159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100611006122054 + 100611006122055.

It is an arithmetic number, because the mean of its divisors is an integer number (100611006122055).

Almost surely, 2^{201222012244109} is an apocalyptic number.

It is an amenable number.

201222012244109 is a deficient number, since it is larger than the sum of its proper divisors (1).

201222012244109 is an equidigital number, since it uses as much as digits as its factorization.

201222012244109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 32.

The spelling of 201222012244109 in words is "two hundred one trillion, two hundred twenty-two billion, twelve million, two hundred forty-four thousand, one hundred nine".