221010010012247 has 2 divisors, whose sum is σ = 221010010012248. Its totient is φ = 221010010012246.

The previous prime is 221010010012219. The next prime is 221010010012279. The reversal of 221010010012247 is 742210010010122.

221010010012247 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 a de Polignac number, because none of the positive numbers 2^k-221010010012247 is a prime.

It is a super-2 number, since 2×221010010012247² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221010010012447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110505005006123 + 110505005006124.

It is an arithmetic number, because the mean of its divisors is an integer number (110505005006124).

Almost surely, 2^{221010010012247} is an apocalyptic number.

221010010012247 is a deficient number, since it is larger than the sum of its proper divisors (1).

221010010012247 is an equidigital number, since it uses as much as digits as its factorization.

221010010012247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 221010010012247 its reverse (742210010010122), we get a palindrome (963220020022369).

The spelling of 221010010012247 in words is "two hundred twenty-one trillion, ten billion, ten million, twelve thousand, two hundred forty-seven".