10000000021982 has 8 divisors (see below), whose sum is σ = 15011618936952. Its totient is φ = 4996127043000.

The previous prime is 10000000021981. The next prime is 10000000022039. The reversal of 10000000021982 is 28912000000001.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000000021981) 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, 1936480769 + ... + 1936485932.

It is an arithmetic number, because the mean of its divisors is an integer number (1876452367119).

Almost surely, 2^{10000000021982} is an apocalyptic number.

10000000021982 is a deficient number, since it is larger than the sum of its proper divisors (5011618914970).

10000000021982 is a wasteful number, since it uses less digits than its factorization.

10000000021982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3872967994.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 10000000021982 its reverse (28912000000001), we get a palindrome (38912000021983).

The spelling of 10000000021982 in words is "ten trillion, twenty-one thousand, nine hundred eighty-two".