133226632151221 has 48 divisors (see below), whose sum is σ = 163318884379200. Its totient is φ = 108061918933248.

The previous prime is 133226632151177. The next prime is 133226632151267. The reversal of 133226632151221 is 122151236622331.

It is not a de Polignac number, because 133226632151221 - 2²³ = 133226623762613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133226332151221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3612711235 + ... + 3612748111.

It is an arithmetic number, because the mean of its divisors is an integer number (3402476757900).

Almost surely, 2^{133226632151221} is an apocalyptic number.

It is an amenable number.

133226632151221 is a deficient number, since it is larger than the sum of its proper divisors (30092252227979).

133226632151221 is a wasteful number, since it uses less digits than its factorization.

133226632151221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41186 (or 41179 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

Adding to 133226632151221 its reverse (122151236622331), we get a palindrome (255377868773552).

The spelling of 133226632151221 in words is "one hundred thirty-three trillion, two hundred twenty-six billion, six hundred thirty-two million, one hundred fifty-one thousand, two hundred twenty-one".