121053433203522 has 96 divisors (see below), whose sum is σ = 270989615136240. Its totient is φ = 39024892385280.

The previous prime is 121053433203401. The next prime is 121053433203523. The reversal of 121053433203522 is 225302334350121.

121053433203522 is a `hidden beast` number, since 1 + 2 + 10 + 5 + 3 + 433 + 203 + 5 + 2 + 2 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 106776076229001 + 14277356974521 = 10333251^2 + 3778539^2 .

It is not an unprimeable number, because it can be changed into a prime (121053433203523) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 251580238 + ... + 252060950.

Almost surely, 2^{121053433203522} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121053433203522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135494807568120).

121053433203522 is an abundant number, since it is smaller than the sum of its proper divisors (149936181932718).

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

121053433203522 is a wasteful number, since it uses less digits than its factorization.

121053433203522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483028 (or 483025 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 121053433203522 its reverse (225302334350121), we get a palindrome (346355767553643).

The spelling of 121053433203522 in words is "one hundred twenty-one trillion, fifty-three billion, four hundred thirty-three million, two hundred three thousand, five hundred twenty-two".