21200030100002 has 32 divisors (see below), whose sum is σ = 35046452179200. Its totient is φ = 9556036197120.

The previous prime is 21200030100001. The next prime is 21200030100017. The reversal of 21200030100002 is 20000103000212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21200030100001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9253802 + ... + 11315162.

It is an arithmetic number, because the mean of its divisors is an integer number (1095201630600).

Almost surely, 2^{21200030100002} is an apocalyptic number.

21200030100002 is a deficient number, since it is larger than the sum of its proper divisors (13846422079198).

21200030100002 is a wasteful number, since it uses less digits than its factorization.

21200030100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070618.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 21200030100002 its reverse (20000103000212), we get a palindrome (41200133100214).

The spelling of 21200030100002 in words is "twenty-one trillion, two hundred billion, thirty million, one hundred thousand, two".