211120122212123 has 4 divisors (see below), whose sum is σ = 211142084161008. Its totient is φ = 211098160263240.

The previous prime is 211120122212099. The next prime is 211120122212141. The reversal of 211120122212123 is 321212221021112.

211120122212123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 211120122212123 - 2³² = 211115827244827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211120122218123) 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, 10980960023 + ... + 10980979248.

It is an arithmetic number, because the mean of its divisors is an integer number (52785521040252).

Almost surely, 2^{211120122212123} is an apocalyptic number.

211120122212123 is a deficient number, since it is larger than the sum of its proper divisors (21961948885).

211120122212123 is an equidigital number, since it uses as much as digits as its factorization.

211120122212123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21961948884.

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

Adding to 211120122212123 its reverse (321212221021112), we get a palindrome (532332343233235).

The spelling of 211120122212123 in words is "two hundred eleven trillion, one hundred twenty billion, one hundred twenty-two million, two hundred twelve thousand, one hundred twenty-three".