221320032123133 has 8 divisors (see below), whose sum is σ = 221332369456800. Its totient is φ = 221307695205168.

The previous prime is 221320032123097. The next prime is 221320032123163. The reversal of 221320032123133 is 331321230023122.

It is a happy number.

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 221320032123133 - 2²¹ = 221320030025981 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 (221320032123163) 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, 1828743498 + ... + 1828864516.

It is an arithmetic number, because the mean of its divisors is an integer number (27666546182100).

Almost surely, 2^{221320032123133} is an apocalyptic number.

It is an amenable number.

221320032123133 is a deficient number, since it is larger than the sum of its proper divisors (12337333667).

221320032123133 is a wasteful number, since it uses less digits than its factorization.

221320032123133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207851.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 221320032123133 its reverse (331321230023122), we get a palindrome (552641262146255).

The spelling of 221320032123133 in words is "two hundred twenty-one trillion, three hundred twenty billion, thirty-two million, one hundred twenty-three thousand, one hundred thirty-three".