133443310121 has 32 divisors (see below), whose sum is σ = 152289244800. Its totient is φ = 115858944000.

The previous prime is 133443310103. The next prime is 133443310139. The reversal of 133443310121 is 121013344331.

It is an interprime number because it is at equal distance from previous prime (133443310103) and next prime (133443310139).

It is a cyclic number.

It is not a de Polignac number, because 133443310121 - 2⁶ = 133443310057 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133443310321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6402365 + ... + 6423173.

It is an arithmetic number, because the mean of its divisors is an integer number (4759038900).

Almost surely, 2^133443310121 is an apocalyptic number.

133443310121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133443310121 is a deficient number, since it is larger than the sum of its proper divisors (18845934679).

133443310121 is a wasteful number, since it uses less digits than its factorization.

133443310121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21161.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 133443310121 its reverse (121013344331), we get a palindrome (254456654452).

The spelling of 133443310121 in words is "one hundred thirty-three billion, four hundred forty-three million, three hundred ten thousand, one hundred twenty-one".