221303023333230 has 128 divisors (see below), whose sum is σ = 548932959548928. Its totient is φ = 57056876554752.

The previous prime is 221303023333211. The next prime is 221303023333253. The reversal of 221303023333230 is 32333320303122.

221303023333230 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 130940644 + ... + 132619976.

It is an arithmetic number, because the mean of its divisors is an integer number (4288538746476).

Almost surely, 2^{221303023333230} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221303023333230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274466479774464).

221303023333230 is an abundant number, since it is smaller than the sum of its proper divisors (327629936215698).

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

221303023333230 is a wasteful number, since it uses less digits than its factorization.

221303023333230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680130.

The product of its (nonzero) digits is 34992, while the sum is 30.

Adding to 221303023333230 its reverse (32333320303122), we get a palindrome (253636343636352).

The spelling of 221303023333230 in words is "two hundred twenty-one trillion, three hundred three billion, twenty-three million, three hundred thirty-three thousand, two hundred thirty".