112120202220100 has 36 divisors (see below), whose sum is σ = 243301348748304. Its totient is φ = 44847986891680.

The previous prime is 112120202220071. The next prime is 112120202220101. The reversal of 112120202220100 is 1022202021211.

It is a happy number.

It is a super-2 number, since 2×112120202220100² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112120202220101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65730207 + ... + 67414393.

It is an arithmetic number, because the mean of its divisors is an integer number (6758370798564).

Almost surely, 2^{112120202220100} is an apocalyptic number.

112120202220100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112120202220100 is an abundant number, since it is smaller than the sum of its proper divisors (131181146528204).

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

112120202220100 is a wasteful number, since it uses less digits than its factorization.

112120202220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349924 (or 2349917 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 112120202220100 its reverse (1022202021211), we get a palindrome (113142404241311).

The spelling of 112120202220100 in words is "one hundred twelve trillion, one hundred twenty billion, two hundred two million, two hundred twenty thousand, one hundred".