21202110012001 has 8 divisors (see below), whose sum is σ = 22272423710400. Its totient is φ = 20144169882672.

The previous prime is 21202110011989. The next prime is 21202110012019. The reversal of 21202110012001 is 10021001120212.

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

It is a cyclic number.

It is not a de Polignac number, because 21202110012001 - 2³³ = 21193520077409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21202110012071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3093388755 + ... + 3093395608.

It is an arithmetic number, because the mean of its divisors is an integer number (2784052963800).

Almost surely, 2^{21202110012001} is an apocalyptic number.

It is an amenable number.

21202110012001 is a deficient number, since it is larger than the sum of its proper divisors (1070313698399).

21202110012001 is a wasteful number, since it uses less digits than its factorization.

21202110012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6186784535.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21202110012001 its reverse (10021001120212), we get a palindrome (31223111132213).

The spelling of 21202110012001 in words is "twenty-one trillion, two hundred two billion, one hundred ten million, twelve thousand, one".