201100011223 has 6 divisors (see below), whose sum is σ = 212241286464. Its totient is φ = 190515799764.

The previous prime is 201100011209. The next prime is 201100011271. The reversal of 201100011223 is 322110001102.

It is not a de Polignac number, because 201100011223 - 2¹⁷ = 201099880151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201100011283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 278531511 + ... + 278532232.

It is an arithmetic number, because the mean of its divisors is an integer number (35373547744).

Almost surely, 2^201100011223 is an apocalyptic number.

201100011223 is a deficient number, since it is larger than the sum of its proper divisors (11141275241).

201100011223 is an equidigital number, since it uses as much as digits as its factorization.

201100011223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557063781 (or 557063762 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 201100011223 its reverse (322110001102), we get a palindrome (523210012325).

The spelling of 201100011223 in words is "two hundred one billion, one hundred million, eleven thousand, two hundred twenty-three".