21010200230201 has 16 divisors (see below), whose sum is σ = 25860299439744. Its totient is φ = 16622432043264.

The previous prime is 21010200230183. The next prime is 21010200230203. The reversal of 21010200230201 is 10203200201012.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21010200230201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21010200230203) 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 15 ways as a sum of consecutive naturals, for example, 5616320 + ... + 8576913.

It is an arithmetic number, because the mean of its divisors is an integer number (1616268714984).

Almost surely, 2^{21010200230201} is an apocalyptic number.

It is an amenable number.

21010200230201 is a deficient number, since it is larger than the sum of its proper divisors (4850099209543).

21010200230201 is a wasteful number, since it uses less digits than its factorization.

21010200230201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14209520.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 21010200230201 its reverse (10203200201012), we get a palindrome (31213400431213).

The spelling of 21010200230201 in words is "twenty-one trillion, ten billion, two hundred million, two hundred thirty thousand, two hundred one".