211123103101 has 8 divisors (see below), whose sum is σ = 216300015360. Its totient is φ = 205958330592.

The previous prime is 211123103083. The next prime is 211123103171. The reversal of 211123103101 is 101301321112.

It is a happy number.

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 211123103101 - 2¹¹ = 211123101053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211123103171) 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 7 ways as a sum of consecutive naturals, for example, 2999725 + ... + 3069298.

It is an arithmetic number, because the mean of its divisors is an integer number (27037501920).

Almost surely, 2^211123103101 is an apocalyptic number.

It is an amenable number.

211123103101 is a deficient number, since it is larger than the sum of its proper divisors (5176912259).

211123103101 is an equidigital number, since it uses as much as digits as its factorization.

211123103101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6069875.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 211123103101 its reverse (101301321112), we get a palindrome (312424424213).

It can be divided in two parts, 21112 and 3103101, that added together give a palindrome (3124213).

The spelling of 211123103101 in words is "two hundred eleven billion, one hundred twenty-three million, one hundred three thousand, one hundred one".