222202011100221 has 20 divisors (see below), whose sum is σ = 333393652185792. Its totient is φ = 147482098397928.

The previous prime is 222202011100123. The next prime is 222202011100301. The reversal of 222202011100221 is 122001110202222.

It is a happy number.

222202011100221 is a `hidden beast` number, since 22 + 220 + 201 + 1 + 1 + 0 + 0 + 221 = 666.

It is not a de Polignac number, because 222202011100221 - 2¹³ = 222202011092029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222202011100194 and 222202011100203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222202011100021) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6042348805 + ... + 6042385578.

Almost surely, 2^{222202011100221} is an apocalyptic number.

It is an amenable number.

222202011100221 is a deficient number, since it is larger than the sum of its proper divisors (111191641085571).

222202011100221 is a wasteful number, since it uses less digits than its factorization.

222202011100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12084734622 (or 12084734613 counting only the distinct ones).

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

Adding to 222202011100221 its reverse (122001110202222), we get a palindrome (344203121302443).

The spelling of 222202011100221 in words is "two hundred twenty-two trillion, two hundred two billion, eleven million, one hundred thousand, two hundred twenty-one".