133410434210021 has 4 divisors (see below), whose sum is σ = 133410823483200. Its totient is φ = 133410044936844.

The previous prime is 133410434209993. The next prime is 133410434210057. The reversal of 133410434210021 is 120012434014331.

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 a cyclic number.

It is not a de Polignac number, because 133410434210021 - 2³⁴ = 133393254340837 is a prime.

It is a super-2 number, since 2×133410434210021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133410434218021) 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, 194122061 + ... + 194808098.

It is an arithmetic number, because the mean of its divisors is an integer number (33352705870800).

Almost surely, 2^{133410434210021} is an apocalyptic number.

It is an amenable number.

133410434210021 is a deficient number, since it is larger than the sum of its proper divisors (389273179).

133410434210021 is an equidigital number, since it uses as much as digits as its factorization.

133410434210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389273178.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 133410434210021 its reverse (120012434014331), we get a palindrome (253422868224352).

The spelling of 133410434210021 in words is "one hundred thirty-three trillion, four hundred ten billion, four hundred thirty-four million, two hundred ten thousand, twenty-one".