133000232233221 has 12 divisors (see below), whose sum is σ = 192112687978848. Its totient is φ = 88666248525864.

The previous prime is 133000232233213. The next prime is 133000232233223. The reversal of 133000232233221 is 122332232000331.

133000232233221 is a `hidden beast` number, since 1 + 3 + 3 + 0 + 0 + 0 + 2 + 322 + 332 + 2 + 1 = 666.

It is not a de Polignac number, because 133000232233221 - 2³ = 133000232233213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133000232233223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46274385 + ... + 49064438.

It is an arithmetic number, because the mean of its divisors is an integer number (16009390664904).

Almost surely, 2^{133000232233221} is an apocalyptic number.

It is an amenable number.

133000232233221 is a deficient number, since it is larger than the sum of its proper divisors (59112455745627).

133000232233221 is a wasteful number, since it uses less digits than its factorization.

133000232233221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95493832 (or 95493829 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 133000232233221 its reverse (122332232000331), we get a palindrome (255332464233552).

The spelling of 133000232233221 in words is "one hundred thirty-three trillion, two hundred thirty-two million, two hundred thirty-three thousand, two hundred twenty-one".