211100120023 has 8 divisors (see below), whose sum is σ = 240711449328. Its totient is φ = 183399199104.

The previous prime is 211100119991. The next prime is 211100120051. The reversal of 211100120023 is 320021001112.

211100120023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211100120023 - 2⁵ = 211100119991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211100119985 and 211100120012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211100120053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477601861 + ... + 477602302.

It is an arithmetic number, because the mean of its divisors is an integer number (30088931166).

Almost surely, 2^211100120023 is an apocalyptic number.

211100120023 is a deficient number, since it is larger than the sum of its proper divisors (29611329305).

211100120023 is a wasteful number, since it uses less digits than its factorization.

211100120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955204193.

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

Adding to 211100120023 its reverse (320021001112), we get a palindrome (531121121135).

The spelling of 211100120023 in words is "two hundred eleven billion, one hundred million, one hundred twenty thousand, twenty-three".