10120221247 has 2 divisors, whose sum is σ = 10120221248. Its totient is φ = 10120221246.

The previous prime is 10120221229. The next prime is 10120221299. The reversal of 10120221247 is 74212202101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10120221247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10120921247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060110623 + 5060110624.

It is an arithmetic number, because the mean of its divisors is an integer number (5060110624).

Almost surely, 2^10120221247 is an apocalyptic number.

10120221247 is a deficient number, since it is larger than the sum of its proper divisors (1).

10120221247 is an equidigital number, since it uses as much as digits as its factorization.

10120221247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 10120221247 its reverse (74212202101), we get a palindrome (84332423348).

The spelling of 10120221247 in words is "ten billion, one hundred twenty million, two hundred twenty-one thousand, two hundred forty-seven".