21002022210201 has 32 divisors (see below), whose sum is σ = 28546534571520. Its totient is φ = 13730590381824.

The previous prime is 21002022210187. The next prime is 21002022210241. The reversal of 21002022210201 is 10201222020012.

It is not a de Polignac number, because 21002022210201 - 2⁶ = 21002022210137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21002022210241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1254068310 + ... + 1254085056.

It is an arithmetic number, because the mean of its divisors is an integer number (892079205360).

Almost surely, 2^{21002022210201} is an apocalyptic number.

It is an amenable number.

21002022210201 is a deficient number, since it is larger than the sum of its proper divisors (7544512361319).

21002022210201 is a wasteful number, since it uses less digits than its factorization.

21002022210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33605.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 21002022210201 its reverse (10201222020012), we get a palindrome (31203244230213).

The spelling of 21002022210201 in words is "twenty-one trillion, two billion, twenty-two million, two hundred ten thousand, two hundred one".