221134054050 has 240 divisors, whose sum is σ = 756216724032. Its totient is φ = 46656777600.

The previous prime is 221134054021. The next prime is 221134054051. The reversal of 221134054050 is 50450431122.

221134054050 is a `hidden beast` number, since 2 + 2 + 113 + 4 + 0 + 540 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (221134054051) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 68545 + ... + 668555.

Almost surely, 2^221134054050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221134054050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378108362016).

221134054050 is an abundant number, since it is smaller than the sum of its proper divisors (535082669982).

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

221134054050 is a wasteful number, since it uses less digits than its factorization.

221134054050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600055 (or 600041 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 221134054050 its reverse (50450431122), we get a palindrome (271584485172).

The spelling of 221134054050 in words is "two hundred twenty-one billion, one hundred thirty-four million, fifty-four thousand, fifty".