21213002033322 has 16 divisors (see below), whose sum is σ = 46282913527392. Its totient is φ = 6428182434320.

The previous prime is 21213002033291. The next prime is 21213002033329. The reversal of 21213002033322 is 22333020031212.

It is a junction number, because it is equal to n+sod(n) for n = 21213002033292 and 21213002033301.

It is not an unprimeable number, because it can be changed into a prime (21213002033329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160704560793 + ... + 160704560924.

It is an arithmetic number, because the mean of its divisors is an integer number (2892682095462).

Almost surely, 2^{21213002033322} is an apocalyptic number.

21213002033322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21213002033322 is an abundant number, since it is smaller than the sum of its proper divisors (25069911494070).

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

21213002033322 is a wasteful number, since it uses less digits than its factorization.

21213002033322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321409121733.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 21213002033322 its reverse (22333020031212), we get a palindrome (43546022064534).

The spelling of 21213002033322 in words is "twenty-one trillion, two hundred thirteen billion, two million, thirty-three thousand, three hundred twenty-two".