221113102320234 has 192 divisors, whose sum is σ = 519485118197760. Its totient is φ = 67797529430400.

The previous prime is 221113102320233. The next prime is 221113102320251. The reversal of 221113102320234 is 432023201311122.

221113102320234 is a `hidden beast` number, since 2 + 2 + 1 + 1 + 1 + 3 + 102 + 320 + 234 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 221113102320198 and 221113102320207.

It is not an unprimeable number, because it can be changed into a prime (221113102320233) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 321498847 + ... + 322185869.

It is an arithmetic number, because the mean of its divisors is an integer number (2705651657280).

Almost surely, 2^{221113102320234} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221113102320234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259742559098880).

221113102320234 is an abundant number, since it is smaller than the sum of its proper divisors (298372015877526).

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

221113102320234 is a wasteful number, since it uses less digits than its factorization.

221113102320234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687377 (or 687374 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 221113102320234 its reverse (432023201311122), we get a palindrome (653136303631356).

The spelling of 221113102320234 in words is "two hundred twenty-one trillion, one hundred thirteen billion, one hundred two million, three hundred twenty thousand, two hundred thirty-four".