1102021201249 has 2 divisors, whose sum is σ = 1102021201250. Its totient is φ = 1102021201248.

The previous prime is 1102021201139. The next prime is 1102021201289. The reversal of 1102021201249 is 9421021202011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1055437749025 + 46583452224 = 1027345^2 + 215832^2 .

It is an emirp because it is prime and its reverse (9421021202011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1102021201249 - 2⁹ = 1102021200737 is a prime.

It is not a weakly prime, because it can be changed into another prime (1102021201289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551010600624 + 551010600625.

It is an arithmetic number, because the mean of its divisors is an integer number (551010600625).

Almost surely, 2^{1102021201249} is an apocalyptic number.

It is an amenable number.

1102021201249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102021201249 is an equidigital number, since it uses as much as digits as its factorization.

1102021201249 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 1102021201249 in words is "one trillion, one hundred two billion, twenty-one million, two hundred one thousand, two hundred forty-nine".