221200111133 has 8 divisors (see below), whose sum is σ = 229532250816. Its totient is φ = 213012878400.

The previous prime is 221200111079. The next prime is 221200111141. The reversal of 221200111133 is 331111002122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221200111133 - 2²⁶ = 221133002269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221200111163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36223628 + ... + 36229733.

It is an arithmetic number, because the mean of its divisors is an integer number (28691531352).

Almost surely, 2^221200111133 is an apocalyptic number.

It is an amenable number.

221200111133 is a deficient number, since it is larger than the sum of its proper divisors (8332139683).

221200111133 is an equidigital number, since it uses as much as digits as its factorization.

221200111133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72453475.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 221200111133 its reverse (331111002122), we get a palindrome (552311113255).

The spelling of 221200111133 in words is "two hundred twenty-one billion, two hundred million, one hundred eleven thousand, one hundred thirty-three".