221100312232133 has 8 divisors (see below), whose sum is σ = 230762995848000. Its totient is φ = 211441764163168.

The previous prime is 221100312232123. The next prime is 221100312232181. The reversal of 221100312232133 is 331232213001122.

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 221100312232133 - 2⁴ = 221100312232117 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 (221100312232123) 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, 1033777463 + ... + 1033991316.

It is an arithmetic number, because the mean of its divisors is an integer number (28845374481000).

Almost surely, 2^{221100312232133} is an apocalyptic number.

221100312232133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

221100312232133 is a deficient number, since it is larger than the sum of its proper divisors (9662683615867).

221100312232133 is a wasteful number, since it uses less digits than its factorization.

221100312232133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067773451.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 221100312232133 its reverse (331232213001122), we get a palindrome (552332525233255).

The spelling of 221100312232133 in words is "two hundred twenty-one trillion, one hundred billion, three hundred twelve million, two hundred thirty-two thousand, one hundred thirty-three".