1112102120112 has 20 divisors (see below), whose sum is σ = 2872930477080. Its totient is φ = 370700706688.

The previous prime is 1112102120111. The next prime is 1112102120113. The reversal of 1112102120112 is 2110212012111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1112102120111) and next prime (1112102120113).

It is a super-2 number, since 2×1112102120112² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1112102120091 and 1112102120100.

It is not an unprimeable number, because it can be changed into a prime (1112102120111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11584397037 + ... + 11584397132.

It is an arithmetic number, because the mean of its divisors is an integer number (143646523854).

Almost surely, 2^{1112102120112} is an apocalyptic number.

1112102120112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1112102120112 is an abundant number, since it is smaller than the sum of its proper divisors (1760828356968).

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

1112102120112 is a wasteful number, since it uses less digits than its factorization.

1112102120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23168794180 (or 23168794174 counting only the distinct ones).

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

Adding to 1112102120112 its reverse (2110212012111), we get a palindrome (3222314132223).

It can be divided in two parts, 111210 and 2120112, that added together give a palindrome (2231322).

The spelling of 1112102120112 in words is "one trillion, one hundred twelve billion, one hundred two million, one hundred twenty thousand, one hundred twelve".