112120001100 has 432 divisors, whose sum is σ = 369285961408. Its totient is φ = 28426567680.

The previous prime is 112120001083. The next prime is 112120001113. The reversal of 112120001100 is 1100021211.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 332700132 + ... + 332700468.

Almost surely, 2^112120001100 is an apocalyptic number.

112120001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112120001100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184642980704).

112120001100 is an abundant number, since it is smaller than the sum of its proper divisors (257165960308).

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

112120001100 is a wasteful number, since it uses less digits than its factorization.

112120001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594 (or 584 counting only the distinct ones).

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

Adding to 112120001100 its reverse (1100021211), we get a palindrome (113220022311).

The spelling of 112120001100 in words is "one hundred twelve billion, one hundred twenty million, one thousand, one hundred".