211121322103 has 8 divisors (see below), whose sum is σ = 214643781872. Its totient is φ = 207609785856.

The previous prime is 211121322073. The next prime is 211121322149. The reversal of 211121322103 is 301223121112.

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 211121322103 - 2⁹ = 211121321591 is a prime.

It is a super-3 number, since 3×211121322103³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211121322163) 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, 2691900 + ... + 2769217.

It is an arithmetic number, because the mean of its divisors is an integer number (26830472734).

Almost surely, 2^211121322103 is an apocalyptic number.

211121322103 is a deficient number, since it is larger than the sum of its proper divisors (3522459769).

211121322103 is an equidigital number, since it uses as much as digits as its factorization.

211121322103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5461761.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 211121322103 its reverse (301223121112), we get a palindrome (512344443215).

The spelling of 211121322103 in words is "two hundred eleven billion, one hundred twenty-one million, three hundred twenty-two thousand, one hundred three".