211223104014 has 128 divisors (see below), whose sum is σ = 482540986368. Its totient is φ = 61144997760.

The previous prime is 211223104009. The next prime is 211223104033. The reversal of 211223104014 is 410401322112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 139789519 + ... + 139791029.

It is an arithmetic number, because the mean of its divisors is an integer number (3769851456).

Almost surely, 2^211223104014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211223104014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241270493184).

211223104014 is an abundant number, since it is smaller than the sum of its proper divisors (271317882354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211223104014 is a wasteful number, since it uses less digits than its factorization.

211223104014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 211223104014 its reverse (410401322112), we get a palindrome (621624426126).

The spelling of 211223104014 in words is "two hundred eleven billion, two hundred twenty-three million, one hundred four thousand, fourteen".