120020221000249 has 2 divisors, whose sum is σ = 120020221000250. Its totient is φ = 120020221000248.

The previous prime is 120020221000219. The next prime is 120020221000297. The reversal of 120020221000249 is 942000122020021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85618101530025 + 34402119470224 = 9253005^2 + 5865332^2 .

It is a cyclic number.

It is not a de Polignac number, because 120020221000249 - 2⁵ = 120020221000217 is a prime.

It is a super-2 number, since 2×120020221000249² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120020221000219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010110500124 + 60010110500125.

It is an arithmetic number, because the mean of its divisors is an integer number (60010110500125).

Almost surely, 2^{120020221000249} is an apocalyptic number.

It is an amenable number.

120020221000249 is a deficient number, since it is larger than the sum of its proper divisors (1).

120020221000249 is an equidigital number, since it uses as much as digits as its factorization.

120020221000249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 120020221000249 in words is "one hundred twenty trillion, twenty billion, two hundred twenty-one million, two hundred forty-nine", and thus it is an aban number.