112211122121020 has 96 divisors (see below), whose sum is σ = 258789824294400. Its totient is φ = 40616110235904.

The previous prime is 112211122121009. The next prime is 112211122121027. The reversal of 112211122121020 is 20121221112211.

It is a happy number.

112211122121020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112211122121027) 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, 4680874 + ... + 15694993.

It is an arithmetic number, because the mean of its divisors is an integer number (2695727336400).

Almost surely, 2^{112211122121020} is an apocalyptic number.

112211122121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112211122121020 is an abundant number, since it is smaller than the sum of its proper divisors (146578702173380).

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

112211122121020 is a wasteful number, since it uses less digits than its factorization.

112211122121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20376307 (or 20376305 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 112211122121020 its reverse (20121221112211), we get a palindrome (132332343233231).

The spelling of 112211122121020 in words is "one hundred twelve trillion, two hundred eleven billion, one hundred twenty-two million, one hundred twenty-one thousand, twenty".