133224552321 has 64 divisors (see below), whose sum is σ = 211134185472. Its totient is φ = 73153124352.

The previous prime is 133224552319. The next prime is 133224552337. The reversal of 133224552321 is 123255422331.

It is not a de Polignac number, because 133224552321 - 2¹ = 133224552319 is a prime.

It is a super-2 number, since 2×133224552321² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133224552301) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12153375 + ... + 12164331.

It is an arithmetic number, because the mean of its divisors is an integer number (3298971648).

Almost surely, 2^133224552321 is an apocalyptic number.

It is an amenable number.

133224552321 is a deficient number, since it is larger than the sum of its proper divisors (77909633151).

133224552321 is a wasteful number, since it uses less digits than its factorization.

133224552321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11238.

The product of its digits is 43200, while the sum is 33.

Adding to 133224552321 its reverse (123255422331), we get a palindrome (256479974652).

The spelling of 133224552321 in words is "one hundred thirty-three billion, two hundred twenty-four million, five hundred fifty-two thousand, three hundred twenty-one".