21311330030210 has 32 divisors (see below), whose sum is σ = 41859209495232. Its totient is φ = 7747443650880.

The previous prime is 21311330030191. The next prime is 21311330030231. The reversal of 21311330030210 is 1203003311312.

It is an unprimeable number.

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, 26234432 + ... + 27034571.

It is an arithmetic number, because the mean of its divisors is an integer number (1308100296726).

Almost surely, 2^{21311330030210} is an apocalyptic number.

21311330030210 is a deficient number, since it is larger than the sum of its proper divisors (20547879465022).

21311330030210 is a wasteful number, since it uses less digits than its factorization.

21311330030210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53272658.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 21311330030210 its reverse (1203003311312), we get a palindrome (22514333341522).

The spelling of 21311330030210 in words is "twenty-one trillion, three hundred eleven billion, three hundred thirty million, thirty thousand, two hundred ten".