221221424410003 has 8 divisors (see below), whose sum is σ = 221334129439056. Its totient is φ = 221108725624800.

The previous prime is 221221424410001. The next prime is 221221424410033. The reversal of 221221424410003 is 300014424122122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221221424410003 - 2¹ = 221221424410001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221221424410001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70156233 + ... + 73241653.

It is an arithmetic number, because the mean of its divisors is an integer number (27666766179882).

Almost surely, 2^{221221424410003} is an apocalyptic number.

221221424410003 is a deficient number, since it is larger than the sum of its proper divisors (112705029053).

221221424410003 is a wasteful number, since it uses less digits than its factorization.

221221424410003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3121925.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 221221424410003 its reverse (300014424122122), we get a palindrome (521235848532125).

The spelling of 221221424410003 in words is "two hundred twenty-one trillion, two hundred twenty-one billion, four hundred twenty-four million, four hundred ten thousand, three".