113535525420221 has 8 divisors (see below), whose sum is σ = 113625696483000. Its totient is φ = 113445364272640.

The previous prime is 113535525420203. The next prime is 113535525420227. The reversal of 113535525420221 is 122024525535311.

It can be written as a sum of positive squares in 4 ways, for example, as 5556929294596 + 107978596125625 = 2357314^2 + 10391275^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113535525420221 - 2³⁰ = 113534451678397 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 (113535525420227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20516255 + ... + 25455603.

It is an arithmetic number, because the mean of its divisors is an integer number (14203212060375).

Almost surely, 2^{113535525420221} is an apocalyptic number.

It is an amenable number.

113535525420221 is a deficient number, since it is larger than the sum of its proper divisors (90171062779).

113535525420221 is a wasteful number, since it uses less digits than its factorization.

113535525420221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4957599.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 113535525420221 in words is "one hundred thirteen trillion, five hundred thirty-five billion, five hundred twenty-five million, four hundred twenty thousand, two hundred twenty-one".