133121106206441 has 4 divisors (see below), whose sum is σ = 133937800109712. Its totient is φ = 132304412303172.

The previous prime is 133121106206393. The next prime is 133121106206489. The reversal of 133121106206441 is 144602601121331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (133121106206393) and next prime (133121106206489).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133121106206441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133121106206741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408346951391 + ... + 408346951716.

It is an arithmetic number, because the mean of its divisors is an integer number (33484450027428).

Almost surely, 2^{133121106206441} is an apocalyptic number.

It is an amenable number.

133121106206441 is a deficient number, since it is larger than the sum of its proper divisors (816693903271).

133121106206441 is an equidigital number, since it uses as much as digits as its factorization.

133121106206441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816693903270.

The product of its (nonzero) digits is 20736, while the sum is 35.

Adding to 133121106206441 its reverse (144602601121331), we get a palindrome (277723707327772).

The spelling of 133121106206441 in words is "one hundred thirty-three trillion, one hundred twenty-one billion, one hundred six million, two hundred six thousand, four hundred forty-one".