200434132422121 has 4 divisors (see below), whose sum is σ = 215852142608452. Its totient is φ = 185016122235792.

The previous prime is 200434132422089. The next prime is 200434132422133. The reversal of 200434132422121 is 121224231434002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90135827132121 + 110298305290000 = 9493989^2 + 10502300^2 .

It is a cyclic number.

It is not a de Polignac number, because 200434132422121 - 2⁵ = 200434132422089 is a prime.

It is a super-3 number, since 3×200434132422121³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200434132428121) 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, 7709005093146 + ... + 7709005093171.

It is an arithmetic number, because the mean of its divisors is an integer number (53963035652113).

Almost surely, 2^{200434132422121} is an apocalyptic number.

It is an amenable number.

200434132422121 is a deficient number, since it is larger than the sum of its proper divisors (15418010186331).

200434132422121 is a wasteful number, since it uses less digits than its factorization.

200434132422121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15418010186330.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 200434132422121 its reverse (121224231434002), we get a palindrome (321658363856123).

The spelling of 200434132422121 in words is "two hundred trillion, four hundred thirty-four billion, one hundred thirty-two million, four hundred twenty-two thousand, one hundred twenty-one".