112002201022221 has 24 divisors (see below), whose sum is σ = 171890208842040. Its totient is φ = 70275890809728.

The previous prime is 112002201022219. The next prime is 112002201022333. The reversal of 112002201022221 is 122220102200211.

It is a happy number.

112002201022221 is a `hidden beast` number, since 1 + 1 + 200 + 220 + 1 + 0 + 22 + 221 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 30287290485321 + 81714910536900 = 5503389^2 + 9039630^2 .

It is not a de Polignac number, because 112002201022221 - 2¹ = 112002201022219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112002201022194 and 112002201022203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112002201022021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1266461890 + ... + 1266550323.

It is an arithmetic number, because the mean of its divisors is an integer number (7162092035085).

Almost surely, 2^{112002201022221} is an apocalyptic number.

It is an amenable number.

112002201022221 is a deficient number, since it is larger than the sum of its proper divisors (59888007819819).

112002201022221 is an equidigital number, since it uses as much as digits as its factorization.

112002201022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2533012270 (or 2533012233 counting only the distinct ones).

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

Adding to 112002201022221 its reverse (122220102200211), we get a palindrome (234222303222432).

The spelling of 112002201022221 in words is "one hundred twelve trillion, two billion, two hundred one million, twenty-two thousand, two hundred twenty-one".