2100120111212 has 12 divisors (see below), whose sum is σ = 3713098960200. Its totient is φ = 1039234694016.

The previous prime is 2100120111191. The next prime is 2100120111223. The reversal of 2100120111212 is 2121110210012.

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, 2706339962 + ... + 2706340737.

It is an arithmetic number, because the mean of its divisors is an integer number (309424913350).

Almost surely, 2^{2100120111212} is an apocalyptic number.

It is an amenable number.

2100120111212 is a deficient number, since it is larger than the sum of its proper divisors (1612978848988).

2100120111212 is a wasteful number, since it uses less digits than its factorization.

2100120111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5412680800 (or 5412680798 counting only the distinct ones).

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

Adding to 2100120111212 its reverse (2121110210012), we get a palindrome (4221230321224).

The spelling of 2100120111212 in words is "two trillion, one hundred billion, one hundred twenty million, one hundred eleven thousand, two hundred twelve".