21202002110002 has 64 divisors (see below), whose sum is σ = 39138264633600. Its totient is φ = 8406909388800.

The previous prime is 21202002109999. The next prime is 21202002110027. The reversal of 21202002110002 is 20001120020212.

It is a happy number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 24236302 + ... + 25095862.

It is an arithmetic number, because the mean of its divisors is an integer number (611535384900).

Almost surely, 2^{21202002110002} is an apocalyptic number.

21202002110002 is a deficient number, since it is larger than the sum of its proper divisors (17936262523598).

21202002110002 is a wasteful number, since it uses less digits than its factorization.

21202002110002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861347.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 21202002110002 its reverse (20001120020212), we get a palindrome (41203122130214).

The spelling of 21202002110002 in words is "twenty-one trillion, two hundred two billion, two million, one hundred ten thousand, two".