211002122123 has 24 divisors (see below), whose sum is σ = 229447698480. Its totient is φ = 193949458560.

The previous prime is 211002122113. The next prime is 211002122141. The reversal of 211002122123 is 321221200112.

211002122123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211002122123 - 2⁶ = 211002122059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211002122113) 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 23 ways as a sum of consecutive naturals, for example, 43404713 + ... + 43409573.

It is an arithmetic number, because the mean of its divisors is an integer number (9560320770).

Almost surely, 2^211002122123 is an apocalyptic number.

211002122123 is a deficient number, since it is larger than the sum of its proper divisors (18445576357).

211002122123 is a wasteful number, since it uses less digits than its factorization.

211002122123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5919 (or 5906 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 211002122123 its reverse (321221200112), we get a palindrome (532223322235).

The spelling of 211002122123 in words is "two hundred eleven billion, two million, one hundred twenty-two thousand, one hundred twenty-three".