211113220111984 has 20 divisors (see below), whose sum is σ = 409036245328440. Its totient is φ = 105555479382080.

The previous prime is 211113220111967. The next prime is 211113220112063. The reversal of 211113220111984 is 489111022311112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69125707 + ... + 72115114.

It is an arithmetic number, because the mean of its divisors is an integer number (20451812266422).

Almost surely, 2^{211113220111984} is an apocalyptic number.

It is an amenable number.

211113220111984 is a deficient number, since it is larger than the sum of its proper divisors (197923025216456).

211113220111984 is a wasteful number, since it uses less digits than its factorization.

211113220111984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141334248 (or 141334242 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 37.

The spelling of 211113220111984 in words is "two hundred eleven trillion, one hundred thirteen billion, two hundred twenty million, one hundred eleven thousand, nine hundred eighty-four".