1210122201149 has 2 divisors, whose sum is σ = 1210122201150. Its totient is φ = 1210122201148.

The previous prime is 1210122201103. The next prime is 1210122201157. The reversal of 1210122201149 is 9411022210121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 692420365924 + 517701835225 = 832118^2 + 719515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1210122201149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210122201749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605061100574 + 605061100575.

It is an arithmetic number, because the mean of its divisors is an integer number (605061100575).

Almost surely, 2^{1210122201149} is an apocalyptic number.

It is an amenable number.

1210122201149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210122201149 is an equidigital number, since it uses as much as digits as its factorization.

1210122201149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 1210122201149 in words is "one trillion, two hundred ten billion, one hundred twenty-two million, two hundred one thousand, one hundred forty-nine".