201122112121223 has 16 divisors (see below), whose sum is σ = 213121014757056. Its totient is φ = 189141903475200.

The previous prime is 201122112121207. The next prime is 201122112121241. The reversal of 201122112121223 is 322121211221102.

201122112121223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 201122112121223 - 2⁴ = 201122112121207 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 (201122112121123) 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, 1856291990 + ... + 1856400332.

It is an arithmetic number, because the mean of its divisors is an integer number (13320063422316).

Almost surely, 2^{201122112121223} is an apocalyptic number.

201122112121223 is a deficient number, since it is larger than the sum of its proper divisors (11998902635833).

201122112121223 is a wasteful number, since it uses less digits than its factorization.

201122112121223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193594.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 201122112121223 its reverse (322121211221102), we get a palindrome (523243323342325).

The spelling of 201122112121223 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred twelve million, one hundred twenty-one thousand, two hundred twenty-three".