211020112123 has 8 divisors (see below), whose sum is σ = 216209387520. Its totient is φ = 205832857920.

The previous prime is 211020112099. The next prime is 211020112169. The reversal of 211020112123 is 321211020112.

211020112123 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 211020112123 - 2²⁹ = 210483241211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211020112097 and 211020112106.

It is not an unprimeable number, because it can be changed into a prime (211020118123) 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, 292840 + ... + 712597.

It is an arithmetic number, because the mean of its divisors is an integer number (27026173440).

Almost surely, 2^211020112123 is an apocalyptic number.

211020112123 is a deficient number, since it is larger than the sum of its proper divisors (5189275397).

211020112123 is a wasteful number, since it uses less digits than its factorization.

211020112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010597.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 211020112123 its reverse (321211020112), we get a palindrome (532231132235).

The spelling of 211020112123 in words is "two hundred eleven billion, twenty million, one hundred twelve thousand, one hundred twenty-three".