100002120021112 has 8 divisors (see below), whose sum is σ = 187503975039600. Its totient is φ = 50001060010552.

The previous prime is 100002120021091. The next prime is 100002120021229. The reversal of 100002120021112 is 211120021200001.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 100002120021092 and 100002120021101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6250132501312 + ... + 6250132501327.

It is an arithmetic number, because the mean of its divisors is an integer number (23437996879950).

Almost surely, 2^{100002120021112} is an apocalyptic number.

It is an amenable number.

100002120021112 is a deficient number, since it is larger than the sum of its proper divisors (87501855018488).

100002120021112 is a wasteful number, since it uses less digits than its factorization.

100002120021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12500265002645 (or 12500265002641 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100002120021112 its reverse (211120021200001), we get a palindrome (311122141221113).

The spelling of 100002120021112 in words is "one hundred trillion, two billion, one hundred twenty million, twenty-one thousand, one hundred twelve".