221123030413404 has 144 divisors (see below), whose sum is σ = 601010742216192. Its totient is φ = 63091744224768.

The previous prime is 221123030413403. The next prime is 221123030413459. The reversal of 221123030413404 is 404314030321122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221123030413403) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7708112349 + ... + 7708141035.

Almost surely, 2^{221123030413404} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221123030413404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300505371108096).

221123030413404 is an abundant number, since it is smaller than the sum of its proper divisors (379887711802788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221123030413404 is a wasteful number, since it uses less digits than its factorization.

221123030413404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46152 (or 46143 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 221123030413404 its reverse (404314030321122), we get a palindrome (625437060734526).

The spelling of 221123030413404 in words is "two hundred twenty-one trillion, one hundred twenty-three billion, thirty million, four hundred thirteen thousand, four hundred four".