2221310210149 has 2 divisors, whose sum is σ = 2221310210150. Its totient is φ = 2221310210148.

The previous prime is 2221310210083. The next prime is 2221310210159. The reversal of 2221310210149 is 9410120131222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2134082722500 + 87227487649 = 1460850^2 + 295343^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221310210149 - 2²⁹ = 2220773339237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221310210159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110655105074 + 1110655105075.

It is an arithmetic number, because the mean of its divisors is an integer number (1110655105075).

Almost surely, 2^{2221310210149} is an apocalyptic number.

It is an amenable number.

2221310210149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221310210149 is an equidigital number, since it uses as much as digits as its factorization.

2221310210149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 2221310210149 in words is "two trillion, two hundred twenty-one billion, three hundred ten million, two hundred ten thousand, one hundred forty-nine".