222210200112021 has 12 divisors (see below), whose sum is σ = 350149406237280. Its totient is φ = 134672848552680.

The previous prime is 222210200112013. The next prime is 222210200112077. The reversal of 222210200112021 is 120211002012222.

It is a happy number.

222210200112021 is a `hidden beast` number, since 222 + 210 + 20 + 0 + 11 + 202 + 1 = 666.

It is not a de Polignac number, because 222210200112021 - 2³ = 222210200112013 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 222210200111985 and 222210200112003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222210200112221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1122273737841 + ... + 1122273738038.

It is an arithmetic number, because the mean of its divisors is an integer number (29179117186440).

Almost surely, 2^{222210200112021} is an apocalyptic number.

It is an amenable number.

222210200112021 is a deficient number, since it is larger than the sum of its proper divisors (127939206125259).

222210200112021 is a wasteful number, since it uses less digits than its factorization.

222210200112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244547475896 (or 2244547475893 counting only the distinct ones).

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

Adding to 222210200112021 its reverse (120211002012222), we get a palindrome (342421202124243).

The spelling of 222210200112021 in words is "two hundred twenty-two trillion, two hundred ten billion, two hundred million, one hundred twelve thousand, twenty-one".