221130230333 has 4 divisors (see below), whose sum is σ = 224430681600. Its totient is φ = 217829779068.

The previous prime is 221130230329. The next prime is 221130230359. The reversal of 221130230333 is 333032031122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 221130230333 - 2² = 221130230329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221130230299 and 221130230308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221130230833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1650225533 + ... + 1650225666.

It is an arithmetic number, because the mean of its divisors is an integer number (56107670400).

Almost surely, 2^221130230333 is an apocalyptic number.

It is an amenable number.

221130230333 is a deficient number, since it is larger than the sum of its proper divisors (3300451267).

221130230333 is an equidigital number, since it uses as much as digits as its factorization.

221130230333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300451266.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 221130230333 its reverse (333032031122), we get a palindrome (554162261455).

The spelling of 221130230333 in words is "two hundred twenty-one billion, one hundred thirty million, two hundred thirty thousand, three hundred thirty-three".