2102102110012 has 24 divisors (see below), whose sum is σ = 3730600323072. Its totient is φ = 1036217170800.

The previous prime is 2102102110007. The next prime is 2102102110063. The reversal of 2102102110012 is 2100112012012.

It is a junction number, because it is equal to n+sod(n) for n = 2102102109974 and 2102102110001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11972337 + ... + 12146647.

It is an arithmetic number, because the mean of its divisors is an integer number (155441680128).

Almost surely, 2^{2102102110012} is an apocalyptic number.

It is an amenable number.

2102102110012 is a deficient number, since it is larger than the sum of its proper divisors (1628498213060).

2102102110012 is a wasteful number, since it uses less digits than its factorization.

2102102110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216849 (or 216847 counting only the distinct ones).

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

Adding to 2102102110012 its reverse (2100112012012), we get a palindrome (4202214122024).

The spelling of 2102102110012 in words is "two trillion, one hundred two billion, one hundred two million, one hundred ten thousand, twelve".