210021201011982 has 8 divisors (see below), whose sum is σ = 420042402023976. Its totient is φ = 70007067003992.

The previous prime is 210021201011933. The next prime is 210021201011987. The reversal of 210021201011982 is 289110102120012.

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

210021201011982 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210021201011987) 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, 17501766750993 + ... + 17501766751004.

It is an arithmetic number, because the mean of its divisors is an integer number (52505300252997).

Almost surely, 2^{210021201011982} is an apocalyptic number.

210021201011982 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.

210021201011982 is a wasteful number, since it uses less digits than its factorization.

210021201011982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35003533502002.

The product of its (nonzero) digits is 1152, while the sum is 30.

Adding to 210021201011982 its reverse (289110102120012), we get a palindrome (499131303131994).

The spelling of 210021201011982 in words is "two hundred ten trillion, twenty-one billion, two hundred one million, eleven thousand, nine hundred eighty-two".