211123102213 has 8 divisors (see below), whose sum is σ = 212293512288. Its totient is φ = 209954800944.

The previous prime is 211123102171. The next prime is 211123102261. The reversal of 211123102213 is 312201321112.

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 211123102213 - 2⁹ = 211123101701 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 (211123102273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326206 + ... + 727087.

It is an arithmetic number, because the mean of its divisors is an integer number (26536689036).

Almost surely, 2^211123102213 is an apocalyptic number.

It is an amenable number.

211123102213 is a deficient number, since it is larger than the sum of its proper divisors (1170410075).

211123102213 is a wasteful number, since it uses less digits than its factorization.

211123102213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054403.

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

Adding to 211123102213 its reverse (312201321112), we get a palindrome (523324423325).

The spelling of 211123102213 in words is "two hundred eleven billion, one hundred twenty-three million, one hundred two thousand, two hundred thirteen".