201100222011 has 16 divisors (see below), whose sum is σ = 293493055520. Its totient is φ = 121725227520.

The previous prime is 201100221979. The next prime is 201100222039. The reversal of 201100222011 is 110222001102.

It is not a de Polignac number, because 201100222011 - 2⁵ = 201100221979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201100222061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42263326 + ... + 42268083.

It is an arithmetic number, because the mean of its divisors is an integer number (18343315970).

Almost surely, 2^201100222011 is an apocalyptic number.

201100222011 is a deficient number, since it is larger than the sum of its proper divisors (92392833509).

201100222011 is a wasteful number, since it uses less digits than its factorization.

201100222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84531486.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201100222011 its reverse (110222001102), we get a palindrome (311322223113).

The spelling of 201100222011 in words is "two hundred one billion, one hundred million, two hundred twenty-two thousand, eleven".