220101001247 has 2 divisors, whose sum is σ = 220101001248. Its totient is φ = 220101001246.

The previous prime is 220101001229. The next prime is 220101001297. The reversal of 220101001247 is 742100101022.

220101001247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220101001247 - 2¹⁶ = 220100935711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220101001297) 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, 110050500623 + 110050500624.

It is an arithmetic number, because the mean of its divisors is an integer number (110050500624).

Almost surely, 2^220101001247 is an apocalyptic number.

220101001247 is a deficient number, since it is larger than the sum of its proper divisors (1).

220101001247 is an equidigital number, since it uses as much as digits as its factorization.

220101001247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 220101001247 its reverse (742100101022), we get a palindrome (962201102269).

The spelling of 220101001247 in words is "two hundred twenty billion, one hundred one million, one thousand, two hundred forty-seven".