221203021333030 has 16 divisors (see below), whose sum is σ = 434362296435984. Its totient is φ = 80437462302880.

The previous prime is 221203021333027. The next prime is 221203021333087. The reversal of 221203021333030 is 30333120302122.

It is a junction number, because it is equal to n+sod(n) for n = 221203021332986 and 221203021333004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1005468278677 + ... + 1005468278896.

It is an arithmetic number, because the mean of its divisors is an integer number (27147643527249).

Almost surely, 2^{221203021333030} is an apocalyptic number.

221203021333030 is a deficient number, since it is larger than the sum of its proper divisors (213159275102954).

221203021333030 is a wasteful number, since it uses less digits than its factorization.

221203021333030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010936557591.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 221203021333030 its reverse (30333120302122), we get a palindrome (251536141635152).

The spelling of 221203021333030 in words is "two hundred twenty-one trillion, two hundred three billion, twenty-one million, three hundred thirty-three thousand, thirty".