21030203223133 has 8 divisors (see below), whose sum is σ = 22701963463200. Its totient is φ = 19366164740208.

The previous prime is 21030203223109. The next prime is 21030203223143. The reversal of 21030203223133 is 33132230203012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-21030203223133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21030203223098 and 21030203223107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21030203223143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1930433623 + ... + 1930444516.

It is an arithmetic number, because the mean of its divisors is an integer number (2837745432900).

Almost surely, 2^{21030203223133} is an apocalyptic number.

It is an amenable number.

21030203223133 is a deficient number, since it is larger than the sum of its proper divisors (1671760240067).

21030203223133 is a wasteful number, since it uses less digits than its factorization.

21030203223133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3860878571.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 21030203223133 its reverse (33132230203012), we get a palindrome (54162433426145).

The spelling of 21030203223133 in words is "twenty-one trillion, thirty billion, two hundred three million, two hundred twenty-three thousand, one hundred thirty-three".