102400244222249 has 2 divisors, whose sum is σ = 102400244222250. Its totient is φ = 102400244222248.

The previous prime is 102400244222207. The next prime is 102400244222261. The reversal of 102400244222249 is 942222442004201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79371350083600 + 23028894138649 = 8909060^2 + 4798843^2 .

It is a cyclic number.

It is not a de Polignac number, because 102400244222249 - 2³² = 102395949254953 is a prime.

It is not a weakly prime, because it can be changed into another prime (102400244222279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51200122111124 + 51200122111125.

It is an arithmetic number, because the mean of its divisors is an integer number (51200122111125).

Almost surely, 2^{102400244222249} is an apocalyptic number.

It is an amenable number.

102400244222249 is a deficient number, since it is larger than the sum of its proper divisors (1).

102400244222249 is an equidigital number, since it uses as much as digits as its factorization.

102400244222249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147456, while the sum is 38.

The spelling of 102400244222249 in words is "one hundred two trillion, four hundred billion, two hundred forty-four million, two hundred twenty-two thousand, two hundred forty-nine".