112200111220021 has 16 divisors (see below), whose sum is σ = 123104862676800. Its totient is φ = 101413010563200.

The previous prime is 112200111220009. The next prime is 112200111220079. The reversal of 112200111220021 is 120022111002211.

It is a cyclic number.

It is not a de Polignac number, because 112200111220021 - 2²¹ = 112200109122869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112200111219977 and 112200111220004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112200111220721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6734995 + ... + 16424383.

It is an arithmetic number, because the mean of its divisors is an integer number (7694053917300).

Almost surely, 2^{112200111220021} is an apocalyptic number.

112200111220021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112200111220021 is a deficient number, since it is larger than the sum of its proper divisors (10904751456779).

112200111220021 is a wasteful number, since it uses less digits than its factorization.

112200111220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9695460.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112200111220021 its reverse (120022111002211), we get a palindrome (232222222222232).

The spelling of 112200111220021 in words is "one hundred twelve trillion, two hundred billion, one hundred eleven million, two hundred twenty thousand, twenty-one".