21322100212302 has 16 divisors (see below), whose sum is σ = 43035431622480. Its totient is φ = 7042161537792.

The previous prime is 21322100212253. The next prime is 21322100212349. The reversal of 21322100212302 is 20321200122312.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 16301299203 + ... + 16301300510.

It is an arithmetic number, because the mean of its divisors is an integer number (2689714476405).

Almost surely, 2^{21322100212302} is an apocalyptic number.

21322100212302 is an abundant number, since it is smaller than the sum of its proper divisors (21713331410178).

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

21322100212302 is a wasteful number, since it uses less digits than its factorization.

21322100212302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32602599827.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21322100212302 its reverse (20321200122312), we get a palindrome (41643300334614).

The spelling of 21322100212302 in words is "twenty-one trillion, three hundred twenty-two billion, one hundred million, two hundred twelve thousand, three hundred two".