221423124434104 has 64 divisors (see below), whose sum is σ = 424294918518240. Its totient is φ = 108309387755520.

The previous prime is 221423124434101. The next prime is 221423124434111. The reversal of 221423124434104 is 401434421324122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221423124434101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29322739 + ... + 36092509.

Almost surely, 2^{221423124434104} is an apocalyptic number.

It is an amenable number.

221423124434104 is a deficient number, since it is larger than the sum of its proper divisors (202871794084136).

221423124434104 is a wasteful number, since it uses less digits than its factorization.

221423124434104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6770360 (or 6770356 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 37.

Adding to 221423124434104 its reverse (401434421324122), we get a palindrome (622857545758226).

The spelling of 221423124434104 in words is "two hundred twenty-one trillion, four hundred twenty-three billion, one hundred twenty-four million, four hundred thirty-four thousand, one hundred four".