134134021104221 has 32 divisors (see below), whose sum is σ = 138185607426048. Its totient is φ = 130137022980160.

The previous prime is 134134021104217. The next prime is 134134021104253. The reversal of 134134021104221 is 122401120431431.

It is a cyclic number.

It is not a de Polignac number, because 134134021104221 - 2² = 134134021104217 is a prime.

It is a super-2 number, since 2×134134021104221² (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 (134134021104121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5869415831 + ... + 5869438683.

It is an arithmetic number, because the mean of its divisors is an integer number (4318300232064).

Almost surely, 2^{134134021104221} is an apocalyptic number.

It is an amenable number.

134134021104221 is a deficient number, since it is larger than the sum of its proper divisors (4051586321827).

134134021104221 is a wasteful number, since it uses less digits than its factorization.

134134021104221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25081.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 134134021104221 its reverse (122401120431431), we get a palindrome (256535141535652).

The spelling of 134134021104221 in words is "one hundred thirty-four trillion, one hundred thirty-four billion, twenty-one million, one hundred four thousand, two hundred twenty-one".