133111331332221 has 8 divisors (see below), whose sum is σ = 193616481937824. Its totient is φ = 80673534140720.

The previous prime is 133111331332157. The next prime is 133111331332279. The reversal of 133111331332221 is 122233133111331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133111331332221 - 2⁶ = 133111331332157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133111331312221) 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 7 ways as a sum of consecutive naturals, for example, 2016838353486 + ... + 2016838353551.

It is an arithmetic number, because the mean of its divisors is an integer number (24202060242228).

Almost surely, 2^{133111331332221} is an apocalyptic number.

133111331332221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133111331332221 is a deficient number, since it is larger than the sum of its proper divisors (60505150605603).

133111331332221 is a wasteful number, since it uses less digits than its factorization.

133111331332221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033676707051.

The product of its digits is 5832, while the sum is 30.

Adding to 133111331332221 its reverse (122233133111331), we get a palindrome (255344464443552).

The spelling of 133111331332221 in words is "one hundred thirty-three trillion, one hundred eleven billion, three hundred thirty-one million, three hundred thirty-two thousand, two hundred twenty-one".