21202200010002 has 32 divisors (see below), whose sum is σ = 46259961477120. Its totient is φ = 6424823538320.

The previous prime is 21202200010001. The next prime is 21202200010009. The reversal of 21202200010002 is 20001000220212.

It is a self number, because there is not a number n which added to its sum of digits gives 21202200010002.

It is not an unprimeable number, because it can be changed into a prime (21202200010001) 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, 2945899 + ... + 7147217.

It is an arithmetic number, because the mean of its divisors is an integer number (1445623796160).

Almost surely, 2^{21202200010002} is an apocalyptic number.

21202200010002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21202200010002 is an abundant number, since it is smaller than the sum of its proper divisors (25057761467118).

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

21202200010002 is a wasteful number, since it uses less digits than its factorization.

21202200010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4277798.

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

Adding to 21202200010002 its reverse (20001000220212), we get a palindrome (41203200230214).

The spelling of 21202200010002 in words is "twenty-one trillion, two hundred two billion, two hundred million, ten thousand, two".