21220213213314 has 12 divisors (see below), whose sum is σ = 45977128628886. Its totient is φ = 7073404404432.

The previous prime is 21220213213307. The next prime is 21220213213337. The reversal of 21220213213314 is 41331231202212.

21220213213314 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 0 + 2 + 1 + 321 + 331 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17400436132689 + 3819777080625 = 4171383^2 + 1954425^2 .

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 5 ways as a sum of consecutive naturals, for example, 589450367019 + ... + 589450367054.

Almost surely, 2^{21220213213314} is an apocalyptic number.

21220213213314 is an abundant number, since it is smaller than the sum of its proper divisors (24756915415572).

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

21220213213314 is a wasteful number, since it uses less digits than its factorization.

21220213213314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178900734081 (or 1178900734078 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 21220213213314 its reverse (41331231202212), we get a palindrome (62551444415526).

It can be divided in two parts, 2122021 and 3213314, that added together give a palindrome (5335335).

The spelling of 21220213213314 in words is "twenty-one trillion, two hundred twenty billion, two hundred thirteen million, two hundred thirteen thousand, three hundred fourteen".