112200120022221 has 40 divisors (see below), whose sum is σ = 208965302910144. Its totient is φ = 58285776631680.

The previous prime is 112200120022217. The next prime is 112200120022297. The reversal of 112200120022221 is 122220021002211.

It is a happy number.

112200120022221 is a `hidden beast` number, since 1 + 1 + 220 + 0 + 1 + 200 + 22 + 221 = 666.

It is not a de Polignac number, because 112200120022221 - 2² = 112200120022217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112200120022194 and 112200120022203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112200120022201) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8994712380 + ... + 8994724853.

Almost surely, 2^{112200120022221} is an apocalyptic number.

112200120022221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112200120022221 is a deficient number, since it is larger than the sum of its proper divisors (96765182887923).

112200120022221 is a wasteful number, since it uses less digits than its factorization.

112200120022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17989437263 (or 17989437254 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 112200120022221 its reverse (122220021002211), we get a palindrome (234420141024432).

The spelling of 112200120022221 in words is "one hundred twelve trillion, two hundred billion, one hundred twenty million, twenty-two thousand, two hundred twenty-one".