2101220020982 has 8 divisors (see below), whose sum is σ = 3160059353856. Its totient is φ = 1047866903032.

The previous prime is 2101220020957. The next prime is 2101220021023. The reversal of 2101220020982 is 2890200221012.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1371552773 + ... + 1371554304.

It is an arithmetic number, because the mean of its divisors is an integer number (395007419232).

Almost surely, 2^{2101220020982} is an apocalyptic number.

2101220020982 is a deficient number, since it is larger than the sum of its proper divisors (1058839332874).

2101220020982 is a wasteful number, since it uses less digits than its factorization.

2101220020982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2743107462.

The product of its (nonzero) digits is 2304, while the sum is 29.

Adding to 2101220020982 its reverse (2890200221012), we get a palindrome (4991420241994).

The spelling of 2101220020982 in words is "two trillion, one hundred one billion, two hundred twenty million, twenty thousand, nine hundred eighty-two".