21202122200982 has 8 divisors (see below), whose sum is σ = 42404244401976. Its totient is φ = 7067374066992.

The previous prime is 21202122200981. The next prime is 21202122201041. The reversal of 21202122200982 is 28900222120212.

It is a sphenic number, since it is the product of 3 distinct primes.

21202122200982 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21202122200981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1766843516743 + ... + 1766843516754.

It is an arithmetic number, because the mean of its divisors is an integer number (5300530550247).

Almost surely, 2^{21202122200982} is an apocalyptic number.

21202122200982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21202122200982 is a wasteful number, since it uses less digits than its factorization.

21202122200982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533687033502.

The product of its (nonzero) digits is 9216, while the sum is 33.

The spelling of 21202122200982 in words is "twenty-one trillion, two hundred two billion, one hundred twenty-two million, two hundred thousand, nine hundred eighty-two".