221233124133 has 24 divisors (see below), whose sum is σ = 372663512000. Its totient is φ = 126418926312.

The previous prime is 221233124089. The next prime is 221233124153. The reversal of 221233124133 is 331421332122.

221233124133 is a `hidden beast` number, since 2 + 2 + 1 + 233 + 12 + 413 + 3 = 666.

It is not a de Polignac number, because 221233124133 - 2⁶ = 221233124069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221233124097 and 221233124106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221233124153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35829943 + ... + 35836116.

Almost surely, 2^221233124133 is an apocalyptic number.

It is an amenable number.

221233124133 is a deficient number, since it is larger than the sum of its proper divisors (151430387867).

221233124133 is an equidigital number, since it uses as much as digits as its factorization.

221233124133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71666086 (or 71666069 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 221233124133 its reverse (331421332122), we get a palindrome (552654456255).

The spelling of 221233124133 in words is "two hundred twenty-one billion, two hundred thirty-three million, one hundred twenty-four thousand, one hundred thirty-three".