21003002211033 has 10 divisors (see below), whose sum is σ = 31374855154874. Its totient is φ = 14002001473968.

The previous prime is 21003002211007. The next prime is 21003002211073. The reversal of 21003002211033 is 33011220030012.

21003002211033 is a `hidden beast` number, since 2 + 100 + 300 + 221 + 10 + 33 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17107794728649 + 3895207482384 = 4136157^2 + 1973628^2 .

It is not a de Polignac number, because 21003002211033 - 2²¹ = 21003000113881 is a prime.

It is a super-2 number, since 2×21003002211033² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21003002210997 and 21003002211015.

It is not an unprimeable number, because it can be changed into a prime (21003002211073) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 129648161716 + ... + 129648161877.

Almost surely, 2^{21003002211033} is an apocalyptic number.

It is an amenable number.

21003002211033 is a deficient number, since it is larger than the sum of its proper divisors (10371852943841).

21003002211033 is an equidigital number, since it uses as much as digits as its factorization.

21003002211033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259296323605 (or 259296323596 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21003002211033 its reverse (33011220030012), we get a palindrome (54014222241045).

The spelling of 21003002211033 in words is "twenty-one trillion, three billion, two million, two hundred eleven thousand, thirty-three".