21033133032130 has 32 divisors (see below), whose sum is σ = 37911155364720. Its totient is φ = 8401806120960.

The previous prime is 21033133032097. The next prime is 21033133032221. The reversal of 21033133032130 is 3123033133012.

It can be written as a sum of positive squares in 8 ways, for example, as 11916435176361 + 9116697855769 = 3452019^2 + 3019387^2 .

It is a super-2 number, since 2×21033133032130² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21033133032095 and 21033133032104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295868190 + ... + 295939270.

Almost surely, 2^{21033133032130} is an apocalyptic number.

21033133032130 is a deficient number, since it is larger than the sum of its proper divisors (16878022332590).

21033133032130 is a wasteful number, since it uses less digits than its factorization.

21033133032130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110934.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 21033133032130 its reverse (3123033133012), we get a palindrome (24156166165142).

The spelling of 21033133032130 in words is "twenty-one trillion, thirty-three billion, one hundred thirty-three million, thirty-two thousand, one hundred thirty".