21200010202002 has 8 divisors (see below), whose sum is σ = 42400020404016. Its totient is φ = 7066670067332.

The previous prime is 21200010201991. The next prime is 21200010202061. The reversal of 21200010202002 is 20020201000212.

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

21200010202002 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1766667516828 + ... + 1766667516839.

It is an arithmetic number, because the mean of its divisors is an integer number (5300002550502).

Almost surely, 2^{21200010202002} is an apocalyptic number.

21200010202002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21200010202002 is a wasteful number, since it uses less digits than its factorization.

21200010202002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3533335033672.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 21200010202002 its reverse (20020201000212), we get a palindrome (41220211202214).

The spelling of 21200010202002 in words is "twenty-one trillion, two hundred billion, ten million, two hundred two thousand, two".