112120022021100 has 144 divisors (see below), whose sum is σ = 337343828613120. Its totient is φ = 28716543699200.

The previous prime is 112120022021093. The next prime is 112120022021101. The reversal of 112120022021100 is 1120220021211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 112120022021100.

It is not an unprimeable number, because it can be changed into a prime (112120022021101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32074842 + ... + 35398241.

It is an arithmetic number, because the mean of its divisors is an integer number (2342665476480).

Almost surely, 2^{112120022021100} is an apocalyptic number.

112120022021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112120022021100 is an abundant number, since it is smaller than the sum of its proper divisors (225223806592020).

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

112120022021100 is a wasteful number, since it uses less digits than its factorization.

112120022021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67473320 (or 67473313 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 112120022021100 its reverse (1120220021211), we get a palindrome (113240242042311).

The spelling of 112120022021100 in words is "one hundred twelve trillion, one hundred twenty billion, twenty-two million, twenty-one thousand, one hundred".