100121434134 has 16 divisors (see below), whose sum is σ = 207147795120. Its totient is φ = 32222990240.

The previous prime is 100121434129. The next prime is 100121434213. The reversal of 100121434134 is 431434121001.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287705097 + ... + 287705444.

It is an arithmetic number, because the mean of its divisors is an integer number (12946737195).

Almost surely, 2^100121434134 is an apocalyptic number.

100121434134 is an abundant number, since it is smaller than the sum of its proper divisors (107026360986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100121434134 is a wasteful number, since it uses less digits than its factorization.

100121434134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575410575.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 100121434134 its reverse (431434121001), we get a palindrome (531555555135).

The spelling of 100121434134 in words is "one hundred billion, one hundred twenty-one million, four hundred thirty-four thousand, one hundred thirty-four".