221002212011149 has 2 divisors, whose sum is σ = 221002212011150. Its totient is φ = 221002212011148.

The previous prime is 221002212011099. The next prime is 221002212011159. The reversal of 221002212011149 is 941110212200122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194085104062249 + 26917107948900 = 13931443^2 + 5188170^2 .

It is a cyclic number.

It is not a de Polignac number, because 221002212011149 - 2¹⁷ = 221002211880077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221002212011159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110501106005574 + 110501106005575.

It is an arithmetic number, because the mean of its divisors is an integer number (110501106005575).

Almost surely, 2^{221002212011149} is an apocalyptic number.

It is an amenable number.

221002212011149 is a deficient number, since it is larger than the sum of its proper divisors (1).

221002212011149 is an equidigital number, since it uses as much as digits as its factorization.

221002212011149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 221002212011149 in words is "two hundred twenty-one trillion, two billion, two hundred twelve million, eleven thousand, one hundred forty-nine".