221023414003221 has 24 divisors (see below), whose sum is σ = 329555374247424. Its totient is φ = 142595426544480.

The previous prime is 221023414003211. The next prime is 221023414003261. The reversal of 221023414003221 is 122300414320122.

221023414003221 is a `hidden beast` number, since 2 + 2 + 1 + 0 + 2 + 34 + 1 + 400 + 3 + 221 = 666.

It is not a de Polignac number, because 221023414003221 - 2⁶ = 221023414003157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221023414003211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211520775 + ... + 212563131.

It is an arithmetic number, because the mean of its divisors is an integer number (13731473926976).

Almost surely, 2^{221023414003221} is an apocalyptic number.

It is an amenable number.

221023414003221 is a deficient number, since it is larger than the sum of its proper divisors (108531960244203).

221023414003221 is a wasteful number, since it uses less digits than its factorization.

221023414003221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802401 (or 1802398 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 221023414003221 its reverse (122300414320122), we get a palindrome (343323828323343).

The spelling of 221023414003221 in words is "two hundred twenty-one trillion, twenty-three billion, four hundred fourteen million, three thousand, two hundred twenty-one".