2102111120112 has 40 divisors (see below), whose sum is σ = 5430507949056. Its totient is φ = 700696710336.

The previous prime is 2102111120101. The next prime is 2102111120129. The reversal of 2102111120112 is 2110211112012.

It is a happy number.

It is a super-2 number, since 2×2102111120112² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2102111120091 and 2102111120100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7314723 + ... + 7596669.

Almost surely, 2^{2102111120112} is an apocalyptic number.

It is an amenable number.

2102111120112 is an abundant number, since it is smaller than the sum of its proper divisors (3328396828944).

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

2102111120112 is a wasteful number, since it uses less digits than its factorization.

2102111120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437285 (or 437279 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2102111120112 its reverse (2110211112012), we get a palindrome (4212322232124).

The spelling of 2102111120112 in words is "two trillion, one hundred two billion, one hundred eleven million, one hundred twenty thousand, one hundred twelve".