21002010003201 has 16 divisors (see below), whose sum is σ = 28385064239040. Its totient is φ = 13811178571200.

The previous prime is 21002010003197. The next prime is 21002010003229. The reversal of 21002010003201 is 10230001020012.

It is not a de Polignac number, because 21002010003201 - 2² = 21002010003197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21002010003701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128754115 + ... + 128917128.

It is an arithmetic number, because the mean of its divisors is an integer number (1774066514940).

Almost surely, 2^{21002010003201} is an apocalyptic number.

It is an amenable number.

21002010003201 is a deficient number, since it is larger than the sum of its proper divisors (7383054235839).

21002010003201 is a wasteful number, since it uses less digits than its factorization.

21002010003201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257671616.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 21002010003201 its reverse (10230001020012), we get a palindrome (31232011023213).

The spelling of 21002010003201 in words is "twenty-one trillion, two billion, ten million, three thousand, two hundred one".