133003121101 has 4 divisors (see below), whose sum is σ = 133003914172. Its totient is φ = 133002328032.

The previous prime is 133003121081. The next prime is 133003121107. The reversal of 133003121101 is 101121300331.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 101121300331 = 20359 ⋅4966909.

It can be written as a sum of positive squares in 2 ways, for example, as 68943004900 + 64060116201 = 262570^2 + 253101^2 .

It is a cyclic number.

It is not a de Polignac number, because 133003121101 - 2⁷ = 133003120973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133003121107) 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 3 ways as a sum of consecutive naturals, for example, 35256 + ... + 516961.

It is an arithmetic number, because the mean of its divisors is an integer number (33250978543).

Almost surely, 2^133003121101 is an apocalyptic number.

It is an amenable number.

133003121101 is a deficient number, since it is larger than the sum of its proper divisors (793071).

133003121101 is an equidigital number, since it uses as much as digits as its factorization.

133003121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793070.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 133003121101 its reverse (101121300331), we get a palindrome (234124421432).

The spelling of 133003121101 in words is "one hundred thirty-three billion, three million, one hundred twenty-one thousand, one hundred one".