201110201120123 has 2 divisors, whose sum is σ = 201110201120124. Its totient is φ = 201110201120122.

The previous prime is 201110201120119. The next prime is 201110201120161. The reversal of 201110201120123 is 321021102011102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201110201120123 - 2² = 201110201120119 is a prime.

It is not a weakly prime, because it can be changed into another prime (201110201120173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100555100560061 + 100555100560062.

It is an arithmetic number, because the mean of its divisors is an integer number (100555100560062).

Almost surely, 2^{201110201120123} is an apocalyptic number.

201110201120123 is a deficient number, since it is larger than the sum of its proper divisors (1).

201110201120123 is an equidigital number, since it uses as much as digits as its factorization.

201110201120123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 201110201120123 its reverse (321021102011102), we get a palindrome (522131303131225).

The spelling of 201110201120123 in words is "two hundred one trillion, one hundred ten billion, two hundred one million, one hundred twenty thousand, one hundred twenty-three".