1112102122112 has 64 divisors (see below), whose sum is σ = 2250782216640. Its totient is φ = 547216158720.

The previous prime is 1112102122111. The next prime is 1112102122133. The reversal of 1112102122112 is 2112212012111.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1112102122112² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1112102122111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8778968 + ... + 8904744.

It is an arithmetic number, because the mean of its divisors is an integer number (35168472135).

Almost surely, 2^{1112102122112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112102122112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1125391108320).

1112102122112 is an abundant number, since it is smaller than the sum of its proper divisors (1138680094528).

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

1112102122112 is a wasteful number, since it uses less digits than its factorization.

1112102122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126889 (or 126877 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1112102122112 its reverse (2112212012111), we get a palindrome (3224314134223).

It can be divided in two parts, 111210 and 2122112, that added together give a palindrome (2233322).

The spelling of 1112102122112 in words is "one trillion, one hundred twelve billion, one hundred two million, one hundred twenty-two thousand, one hundred twelve".