1110121210249 has 2 divisors, whose sum is σ = 1110121210250. Its totient is φ = 1110121210248.

The previous prime is 1110121210151. The next prime is 1110121210267. The reversal of 1110121210249 is 9420121210111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1017152931600 + 92968278649 = 1008540^2 + 304907^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110121210249 - 2²⁹ = 1109584339337 is a prime.

It is not a weakly prime, because it can be changed into another prime (1110121213249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555060605124 + 555060605125.

It is an arithmetic number, because the mean of its divisors is an integer number (555060605125).

Almost surely, 2^{1110121210249} is an apocalyptic number.

It is an amenable number.

1110121210249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110121210249 is an equidigital number, since it uses as much as digits as its factorization.

1110121210249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 1110121210249 in words is "one trillion, one hundred ten billion, one hundred twenty-one million, two hundred ten thousand, two hundred forty-nine".