11120112102 has 64 divisors (see below), whose sum is σ = 25612381440. Its totient is φ = 3183206400.

The previous prime is 11120112061. The next prime is 11120112103. The reversal of 11120112102 is 20121102111.

It is a super-2 number, since 2×11120112102² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120112103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 430102 + ... + 455222.

It is an arithmetic number, because the mean of its divisors is an integer number (400193460).

Almost surely, 2^11120112102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11120112102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12806190720).

11120112102 is an abundant number, since it is smaller than the sum of its proper divisors (14492269338).

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

11120112102 is a wasteful number, since it uses less digits than its factorization.

11120112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25509.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11120112102 its reverse (20121102111), we get a palindrome (31241214213).

Subtracting 11120112102 from its reverse (20121102111), we obtain a palindrome (9000990009).

The spelling of 11120112102 in words is "eleven billion, one hundred twenty million, one hundred twelve thousand, one hundred two".