134312211021 has 4 divisors (see below), whose sum is σ = 179082948032. Its totient is φ = 89541474012.

The previous prime is 134312211017. The next prime is 134312211031. The reversal of 134312211021 is 120112213431.

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 not a de Polignac number, because 134312211021 - 2² = 134312211017 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 (134312211031) 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 3 ways as a sum of consecutive naturals, for example, 22385368501 + ... + 22385368506.

It is an arithmetic number, because the mean of its divisors is an integer number (44770737008).

Almost surely, 2^134312211021 is an apocalyptic number.

It is an amenable number.

134312211021 is a deficient number, since it is larger than the sum of its proper divisors (44770737011).

134312211021 is an equidigital number, since it uses as much as digits as its factorization.

134312211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44770737010.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 134312211021 its reverse (120112213431), we get a palindrome (254424424452).

The spelling of 134312211021 in words is "one hundred thirty-four billion, three hundred twelve million, two hundred eleven thousand, twenty-one".