201110210023 has 4 divisors (see below), whose sum is σ = 201115650960. Its totient is φ = 201104769088.

The previous prime is 201110210017. The next prime is 201110210083. The reversal of 201110210023 is 320012011102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201110210023 - 2⁵ = 201110209991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201110209985 and 201110210012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201110210083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2664643 + ... + 2739076.

It is an arithmetic number, because the mean of its divisors is an integer number (50278912740).

Almost surely, 2^201110210023 is an apocalyptic number.

201110210023 is a deficient number, since it is larger than the sum of its proper divisors (5440937).

201110210023 is an equidigital number, since it uses as much as digits as its factorization.

201110210023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5440936.

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

Adding to 201110210023 its reverse (320012011102), we get a palindrome (521122221125).

The spelling of 201110210023 in words is "two hundred one billion, one hundred ten million, two hundred ten thousand, twenty-three".