133111330143421 has 48 divisors (see below), whose sum is σ = 159679985774400. Its totient is φ = 110587289686272.

The previous prime is 133111330143367. The next prime is 133111330143437. The reversal of 133111330143421 is 124341033111331.

133111330143421 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 133111330143421 - 2⁹ = 133111330142909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133111330143221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 625213975 + ... + 625426843.

It is an arithmetic number, because the mean of its divisors is an integer number (3326666370300).

Almost surely, 2^{133111330143421} is an apocalyptic number.

It is an amenable number.

133111330143421 is a deficient number, since it is larger than the sum of its proper divisors (26568655630979).

133111330143421 is a wasteful number, since it uses less digits than its factorization.

133111330143421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215978 (or 215971 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

Adding to 133111330143421 its reverse (124341033111331), we get a palindrome (257452363254752).

The spelling of 133111330143421 in words is "one hundred thirty-three trillion, one hundred eleven billion, three hundred thirty million, one hundred forty-three thousand, four hundred twenty-one".