21533352314130 has 240 divisors, whose sum is σ = 60763497772824. Its totient is φ = 5471165399040.

The previous prime is 21533352314093. The next prime is 21533352314143. The reversal of 21533352314130 is 3141325333512.

21533352314130 is a `hidden beast` number, since 2 + 1 + 5 + 3 + 3 + 3 + 5 + 231 + 413 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 18522152165169 + 3011200148961 = 4303737^2 + 1735281^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 110024160 + ... + 110219700.

Almost surely, 2^{21533352314130} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21533352314130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30381748886412).

21533352314130 is an abundant number, since it is smaller than the sum of its proper divisors (39230145458694).

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

21533352314130 is a wasteful number, since it uses less digits than its factorization.

21533352314130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195863 (or 195831 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

Adding to 21533352314130 its reverse (3141325333512), we get a palindrome (24674677647642).

The spelling of 21533352314130 in words is "twenty-one trillion, five hundred thirty-three billion, three hundred fifty-two million, three hundred fourteen thousand, one hundred thirty".