2121101983682 has 8 divisors (see below), whose sum is σ = 3470894155152. Its totient is φ = 964137265300.

The previous prime is 2121101983613. The next prime is 2121101983733. The reversal of 2121101983682 is 2863891011212.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48206863244 + ... + 48206863287.

It is an arithmetic number, because the mean of its divisors is an integer number (433861769394).

Almost surely, 2^{2121101983682} is an apocalyptic number.

2121101983682 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2121101983682 is a deficient number, since it is larger than the sum of its proper divisors (1349792171470).

2121101983682 is a wasteful number, since it uses less digits than its factorization.

2121101983682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96413726544.

The product of its (nonzero) digits is 82944, while the sum is 44.

Adding to 2121101983682 its reverse (2863891011212), we get a palindrome (4984992994894).

The spelling of 2121101983682 in words is "two trillion, one hundred twenty-one billion, one hundred one million, nine hundred eighty-three thousand, six hundred eighty-two".