201100222 has 8 divisors (see below), whose sum is σ = 302187816. Its totient is φ = 100370952.

The previous prime is 201100213. The next prime is 201100253. The reversal of 201100222 is 222001102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 201100199 and 201100208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88173 + ... + 90424.

It is an arithmetic number, because the mean of its divisors is an integer number (37773477).

Almost surely, 2^201100222 is an apocalyptic number.

201100222 is a deficient number, since it is larger than the sum of its proper divisors (101087594).

201100222 is a wasteful number, since it uses less digits than its factorization.

201100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179162.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 201100222 is about 14180.9809956857. The cubic root of 201100222 is about 585.8739434617.

Adding to 201100222 its reverse (222001102), we get a palindrome (423101324).

The spelling of 201100222 in words is "two hundred one million, one hundred thousand, two hundred twenty-two".