112101102 has 48 divisors (see below), whose sum is σ = 256598160. Its totient is φ = 35271936.

The previous prime is 112101089. The next prime is 112101109. The reversal of 112101102 is 201101211.

It is a happy number.

It is a super-2 number, since 2×112101102² = 25133314139228808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112101109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147708 + ... + 148464.

It is an arithmetic number, because the mean of its divisors is an integer number (5345795).

Almost surely, 2^112101102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112101102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128299080).

112101102 is an abundant number, since it is smaller than the sum of its proper divisors (144497058).

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

112101102 is a wasteful number, since it uses less digits than its factorization.

112101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217 (or 1214 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 112101102 is about 10587.7807873038. The cubic root of 112101102 is about 482.1734510016.

Adding to 112101102 its reverse (201101211), we get a palindrome (313202313).

The spelling of 112101102 in words is "one hundred twelve million, one hundred one thousand, one hundred two".