221247467411 has 4 divisors (see below), whose sum is σ = 223277260800. Its totient is φ = 219217674024.

The previous prime is 221247467347. The next prime is 221247467417. The reversal of 221247467411 is 114764742122.

221247467411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114764742122 = 2 ⋅57382371061.

It is a cyclic number.

It is not a de Polignac number, because 221247467411 - 2⁶ = 221247467347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221247467417) 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 in 3 ways as a sum of consecutive naturals, for example, 1014896531 + ... + 1014896748.

It is an arithmetic number, because the mean of its divisors is an integer number (55819315200).

Almost surely, 2^221247467411 is an apocalyptic number.

221247467411 is a deficient number, since it is larger than the sum of its proper divisors (2029793389).

221247467411 is a wasteful number, since it uses less digits than its factorization.

221247467411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029793388.

The product of its digits is 150528, while the sum is 41.

The spelling of 221247467411 in words is "two hundred twenty-one billion, two hundred forty-seven million, four hundred sixty-seven thousand, four hundred eleven".