100111122020012 has 6 divisors (see below), whose sum is σ = 175194463535028. Its totient is φ = 50055561010004.

The previous prime is 100111122020003. The next prime is 100111122020087. The reversal of 100111122020012 is 210020221111001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12513890252498 + ... + 12513890252505.

It is an arithmetic number, because the mean of its divisors is an integer number (29199077255838).

Almost surely, 2^{100111122020012} is an apocalyptic number.

It is an amenable number.

100111122020012 is a deficient number, since it is larger than the sum of its proper divisors (75083341515016).

100111122020012 is a wasteful number, since it uses less digits than its factorization.

100111122020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25027780505007 (or 25027780505005 counting only the distinct ones).

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

Adding to 100111122020012 its reverse (210020221111001), we get a palindrome (310131343131013).

The spelling of 100111122020012 in words is "one hundred trillion, one hundred eleven billion, one hundred twenty-two million, twenty thousand, twelve".