133211231303121 has 32 divisors (see below), whose sum is σ = 203039966668800. Its totient is φ = 86255426655360.

The previous prime is 133211231303113. The next prime is 133211231303123. The reversal of 133211231303121 is 121303132112331.

133211231303121 is a `hidden beast` number, since 1 + 3 + 3 + 2 + 1 + 1 + 231 + 303 + 121 = 666.

It is not a de Polignac number, because 133211231303121 - 2³ = 133211231303113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (133211231303123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116606065 + ... + 117742926.

It is an arithmetic number, because the mean of its divisors is an integer number (6344998958400).

Almost surely, 2^{133211231303121} is an apocalyptic number.

It is an amenable number.

133211231303121 is a deficient number, since it is larger than the sum of its proper divisors (69828735365679).

133211231303121 is a wasteful number, since it uses less digits than its factorization.

133211231303121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234349606 (or 234349600 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 133211231303121 its reverse (121303132112331), we get a palindrome (254514363415452).

The spelling of 133211231303121 in words is "one hundred thirty-three trillion, two hundred eleven billion, two hundred thirty-one million, three hundred three thousand, one hundred twenty-one".