221113123034320 has 160 divisors (see below), whose sum is σ = 590350828164480. Its totient is φ = 76171583416320.

The previous prime is 221113123034303. The next prime is 221113123034351. The reversal of 221113123034320 is 23430321311122.

It is a super-3 number, since 3×221113123034320³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1535041342 + ... + 1535185378.

It is an arithmetic number, because the mean of its divisors is an integer number (3689692676028).

Almost surely, 2^{221113123034320} is an apocalyptic number.

221113123034320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221113123034320 is an abundant number, since it is smaller than the sum of its proper divisors (369237705130160).

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

221113123034320 is a wasteful number, since it uses less digits than its factorization.

221113123034320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235893 (or 235887 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 221113123034320 its reverse (23430321311122), we get a palindrome (244543444345442).

The spelling of 221113123034320 in words is "two hundred twenty-one trillion, one hundred thirteen billion, one hundred twenty-three million, thirty-four thousand, three hundred twenty".