21213130100322 has 32 divisors (see below), whose sum is σ = 42697396324800. Its totient is φ = 7025855923008.

The previous prime is 21213130100317. The next prime is 21213130100353. The reversal of 21213130100322 is 22300103131212.

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, 49778829 + ... + 50203167.

It is an arithmetic number, because the mean of its divisors is an integer number (1334293635150).

Almost surely, 2^{21213130100322} is an apocalyptic number.

21213130100322 is an abundant number, since it is smaller than the sum of its proper divisors (21484266224478).

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

21213130100322 is a wasteful number, since it uses less digits than its factorization.

21213130100322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477570.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21213130100322 its reverse (22300103131212), we get a palindrome (43513233231534).

The spelling of 21213130100322 in words is "twenty-one trillion, two hundred thirteen billion, one hundred thirty million, one hundred thousand, three hundred twenty-two".