211202101200123 has 32 divisors (see below), whose sum is σ = 342954438931200. Its totient is φ = 127394632310400.

The previous prime is 211202101200119. The next prime is 211202101200151. The reversal of 211202101200123 is 321002101202112.

211202101200123 is a `hidden beast` number, since 211 + 2 + 0 + 210 + 120 + 0 + 123 = 666.

It is not a de Polignac number, because 211202101200123 - 2² = 211202101200119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211202101200096 and 211202101200105.

It is not an unprimeable number, because it can be changed into a prime (211202101200823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1685051518 + ... + 1685176851.

It is an arithmetic number, because the mean of its divisors is an integer number (10717326216600).

Almost surely, 2^{211202101200123} is an apocalyptic number.

211202101200123 is a deficient number, since it is larger than the sum of its proper divisors (131752337731077).

211202101200123 is a wasteful number, since it uses less digits than its factorization.

211202101200123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370228600 (or 3370228594 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 211202101200123 its reverse (321002101202112), we get a palindrome (532204202402235).

The spelling of 211202101200123 in words is "two hundred eleven trillion, two hundred two billion, one hundred one million, two hundred thousand, one hundred twenty-three".