112012020022221 has 12 divisors (see below), whose sum is σ = 176503789126080. Its totient is φ = 67886072740680.

The previous prime is 112012020022159. The next prime is 112012020022339. The reversal of 112012020022221 is 122220020210211.

It is a happy number.

112012020022221 is a `hidden beast` number, since 1 + 1 + 201 + 20 + 200 + 22 + 221 = 666.

It is not a de Polignac number, because 112012020022221 - 2²⁷ = 112011885804493 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112012020022194 and 112012020022203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012020027221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 565717272741 + ... + 565717272938.

It is an arithmetic number, because the mean of its divisors is an integer number (14708649093840).

Almost surely, 2^{112012020022221} is an apocalyptic number.

112012020022221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112012020022221 is a deficient number, since it is larger than the sum of its proper divisors (64491769103859).

112012020022221 is a wasteful number, since it uses less digits than its factorization.

112012020022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131434545696 (or 1131434545693 counting only the distinct ones).

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

Adding to 112012020022221 its reverse (122220020210211), we get a palindrome (234232040232432).

The spelling of 112012020022221 in words is "one hundred twelve trillion, twelve billion, twenty million, twenty-two thousand, two hundred twenty-one".