201011221220222 has 8 divisors (see below), whose sum is σ = 344590664948976. Its totient is φ = 86147666237232.

The previous prime is 201011221220179. The next prime is 201011221220323. The reversal of 201011221220222 is 222022122110102.

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

It is a super-2 number, since 2×201011221220222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201011221220194 and 201011221220203.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7178972186423 + ... + 7178972186450.

It is an arithmetic number, because the mean of its divisors is an integer number (43073833118622).

Almost surely, 2^{201011221220222} is an apocalyptic number.

201011221220222 is a deficient number, since it is larger than the sum of its proper divisors (143579443728754).

201011221220222 is a wasteful number, since it uses less digits than its factorization.

201011221220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14357944372882.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 201011221220222 its reverse (222022122110102), we get a palindrome (423033343330324).

The spelling of 201011221220222 in words is "two hundred one trillion, eleven billion, two hundred twenty-one million, two hundred twenty thousand, two hundred twenty-two".