221130332123233 has 32 divisors (see below), whose sum is σ = 249627678854400. Its totient is φ = 194506043074560.

The previous prime is 221130332123209. The next prime is 221130332123237. The reversal of 221130332123233 is 332321233031122.

It is a cyclic number.

It is not a de Polignac number, because 221130332123233 - 2¹⁷ = 221130331992161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221130332123195 and 221130332123204.

It is not an unprimeable number, because it can be changed into a prime (221130332123237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1333642468 + ... + 1333808266.

It is an arithmetic number, because the mean of its divisors is an integer number (7800864964200).

Almost surely, 2^{221130332123233} is an apocalyptic number.

It is an amenable number.

221130332123233 is a deficient number, since it is larger than the sum of its proper divisors (28497346731167).

221130332123233 is a wasteful number, since it uses less digits than its factorization.

221130332123233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224089.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 221130332123233 its reverse (332321233031122), we get a palindrome (553451565154355).

The spelling of 221130332123233 in words is "two hundred twenty-one trillion, one hundred thirty billion, three hundred thirty-two million, one hundred twenty-three thousand, two hundred thirty-three".