133032231322221 has 128 divisors (see below), whose sum is σ = 227179515543552. Its totient is φ = 67234696704000.

The previous prime is 133032231322217. The next prime is 133032231322231. The reversal of 133032231322221 is 122223132230331.

It is not a de Polignac number, because 133032231322221 - 2² = 133032231322217 is a prime.

It is a super-2 number, since 2×133032231322221² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133032231322231) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4470003981 + ... + 4470033741.

It is an arithmetic number, because the mean of its divisors is an integer number (1774839965184).

Almost surely, 2^{133032231322221} is an apocalyptic number.

133032231322221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133032231322221 is a deficient number, since it is larger than the sum of its proper divisors (94147284221331).

133032231322221 is a wasteful number, since it uses less digits than its factorization.

133032231322221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31583.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 133032231322221 its reverse (122223132230331), we get a palindrome (255255363552552).

The spelling of 133032231322221 in words is "one hundred thirty-three trillion, thirty-two billion, two hundred thirty-one million, three hundred twenty-two thousand, two hundred twenty-one".