112200101020121 has 4 divisors (see below), whose sum is σ = 112314942475572. Its totient is φ = 112085259564672.

The previous prime is 112200101020093. The next prime is 112200101020153. The reversal of 112200101020121 is 121020101002211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 95339386827721 + 16860714192400 = 9764189^2 + 4106180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112200101020121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112200101020096 and 112200101020105.

It is not an unprimeable number, because it can be changed into a prime (112200101020921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57420726260 + ... + 57420728213.

It is an arithmetic number, because the mean of its divisors is an integer number (28078735618893).

Almost surely, 2^{112200101020121} is an apocalyptic number.

It is an amenable number.

112200101020121 is a deficient number, since it is larger than the sum of its proper divisors (114841455451).

112200101020121 is an equidigital number, since it uses as much as digits as its factorization.

112200101020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114841455450.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 112200101020121 its reverse (121020101002211), we get a palindrome (233220202022332).

The spelling of 112200101020121 in words is "one hundred twelve trillion, two hundred billion, one hundred one million, twenty thousand, one hundred twenty-one".