211200112123 has 32 divisors (see below), whose sum is σ = 293347676160. Its totient is φ = 146673797760.

The previous prime is 211200112121. The next prime is 211200112147. The reversal of 211200112123 is 321211002112.

It is not a de Polignac number, because 211200112123 - 2¹ = 211200112121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211200112097 and 211200112106.

It is not an unprimeable number, because it can be changed into a prime (211200112121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3608715 + ... + 3666772.

It is an arithmetic number, because the mean of its divisors is an integer number (9167114880).

Almost surely, 2^211200112123 is an apocalyptic number.

211200112123 is a deficient number, since it is larger than the sum of its proper divisors (82147564037).

211200112123 is a wasteful number, since it uses less digits than its factorization.

211200112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7275547.

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

Adding to 211200112123 its reverse (321211002112), we get a palindrome (532411114235).

It can be divided in two parts, 211200 and 112123, that added together give a palindrome (323323).

The spelling of 211200112123 in words is "two hundred eleven billion, two hundred million, one hundred twelve thousand, one hundred twenty-three".