21201030200133 has 72 divisors (see below), whose sum is σ = 36397366941312. Its totient is φ = 11851922500992.

The previous prime is 21201030200099. The next prime is 21201030200213. The reversal of 21201030200133 is 33100203010212.

It is not a de Polignac number, because 21201030200133 - 2¹⁷ = 21201030069061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21201030200533) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 47387266 + ... + 47832572.

It is an arithmetic number, because the mean of its divisors is an integer number (505518985296).

Almost surely, 2^{21201030200133} is an apocalyptic number.

It is an amenable number.

21201030200133 is a deficient number, since it is larger than the sum of its proper divisors (15196336741179).

21201030200133 is a wasteful number, since it uses less digits than its factorization.

21201030200133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447671 (or 447661 counting only the distinct ones).

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

Adding to 21201030200133 its reverse (33100203010212), we get a palindrome (54301233210345).

The spelling of 21201030200133 in words is "twenty-one trillion, two hundred one billion, thirty million, two hundred thousand, one hundred thirty-three".