21132310030033 has 8 divisors (see below), whose sum is σ = 21356239803752. Its totient is φ = 20908504152576.

The previous prime is 21132310030009. The next prime is 21132310030057. The reversal of 21132310030033 is 33003001323112.

It is an interprime number because it is at equal distance from previous prime (21132310030009) and next prime (21132310030057).

It can be written as a sum of positive squares in 4 ways, for example, as 11158158586689 + 9974151443344 = 3340383^2 + 3158188^2 .

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 21132310030033 - 2²¹ = 21132307932881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21132310029986 and 21132310030013.

It is not an unprimeable number, because it can be changed into a prime (21132310030093) 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, 30631110 + ... + 31313407.

It is an arithmetic number, because the mean of its divisors is an integer number (2669529975469).

Almost surely, 2^{21132310030033} is an apocalyptic number.

It is an amenable number.

21132310030033 is a deficient number, since it is larger than the sum of its proper divisors (223929773719).

21132310030033 is an equidigital number, since it uses as much as digits as its factorization.

21132310030033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61948131.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 21132310030033 its reverse (33003001323112), we get a palindrome (54135311353145).

The spelling of 21132310030033 in words is "twenty-one trillion, one hundred thirty-two billion, three hundred ten million, thirty thousand, thirty-three".