2101101112012 has 12 divisors (see below), whose sum is σ = 4202202224080. Its totient is φ = 900471905136.

The previous prime is 2101101111937. The next prime is 2101101112027. The reversal of 2101101112012 is 2102111011012.

It is a happy number.

2101101112012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2101101111983 and 2101101112001.

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, 37519662687 + ... + 37519662742.

Almost surely, 2^{2101101112012} is an apocalyptic number.

It is an amenable number.

2101101112012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2101101112012 is a wasteful number, since it uses less digits than its factorization.

2101101112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75039325440 (or 75039325438 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2101101112012 its reverse (2102111011012), we get a palindrome (4203212123024).

The spelling of 2101101112012 in words is "two trillion, one hundred one billion, one hundred one million, one hundred twelve thousand, twelve".