221130333123 has 32 divisors (see below), whose sum is σ = 341761254912. Its totient is φ = 124566528000.

The previous prime is 221130333091. The next prime is 221130333209. The reversal of 221130333123 is 321333031122.

It is not a de Polignac number, because 221130333123 - 2⁵ = 221130333091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221130333093 and 221130333102.

It is not an unprimeable number, because it can be changed into a prime (221130333223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 665923 + ... + 941123.

It is an arithmetic number, because the mean of its divisors is an integer number (10680039216).

Almost surely, 2^221130333123 is an apocalyptic number.

221130333123 is a deficient number, since it is larger than the sum of its proper divisors (120630921789).

221130333123 is a wasteful number, since it uses less digits than its factorization.

221130333123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275755.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 221130333123 its reverse (321333031122), we get a palindrome (542463364245).

The spelling of 221130333123 in words is "two hundred twenty-one billion, one hundred thirty million, three hundred thirty-three thousand, one hundred twenty-three".