10001000021108 has 12 divisors (see below), whose sum is σ = 17504185282752. Its totient is φ = 4999804226040.

The previous prime is 10001000021081. The next prime is 10001000021123. The reversal of 10001000021108 is 80112000010001.

It is a junction number, because it is equal to n+sod(n) for n = 10001000021092 and 10001000021101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173913788 + ... + 173971283.

It is an arithmetic number, because the mean of its divisors is an integer number (1458682106896).

Almost surely, 2^{10001000021108} is an apocalyptic number.

It is an amenable number.

10001000021108 is a deficient number, since it is larger than the sum of its proper divisors (7503185261644).

10001000021108 is a wasteful number, since it uses less digits than its factorization.

10001000021108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347892262 (or 347892260 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10001000021108 its reverse (80112000010001), we get a palindrome (90113000031109).

The spelling of 10001000021108 in words is "ten trillion, one billion, twenty-one thousand, one hundred eight".