2201221100149 has 2 divisors, whose sum is σ = 2201221100150. Its totient is φ = 2201221100148.

The previous prime is 2201221100069. The next prime is 2201221100189. The reversal of 2201221100149 is 9410011221022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1689981800049 + 511239300100 = 1299993^2 + 715010^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2201221100149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201221100189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100610550074 + 1100610550075.

It is an arithmetic number, because the mean of its divisors is an integer number (1100610550075).

Almost surely, 2^{2201221100149} is an apocalyptic number.

It is an amenable number.

2201221100149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201221100149 is an equidigital number, since it uses as much as digits as its factorization.

2201221100149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 2201221100149 in words is "two trillion, two hundred one billion, two hundred twenty-one million, one hundred thousand, one hundred forty-nine".