21313002233322 has 80 divisors (see below), whose sum is σ = 49840570847232. Its totient is φ = 6794458498080.

The previous prime is 21313002233311. The next prime is 21313002233323. The reversal of 21313002233322 is 22333220031312.

21313002233322 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 300 + 2 + 2 + 33 + 322 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (21313002233323) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25336548 + ... + 26164224.

Almost surely, 2^{21313002233322} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21313002233322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24920285423616).

21313002233322 is an abundant number, since it is smaller than the sum of its proper divisors (28527568613910).

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

21313002233322 is a wasteful number, since it uses less digits than its factorization.

21313002233322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834625 (or 834616 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 21313002233322 its reverse (22333220031312), we get a palindrome (43646222264634).

The spelling of 21313002233322 in words is "twenty-one trillion, three hundred thirteen billion, two million, two hundred thirty-three thousand, three hundred twenty-two".