211112320223120 has 80 divisors (see below), whose sum is σ = 512179944135552. Its totient is φ = 80772920954880.

The previous prime is 211112320223107. The next prime is 211112320223177. The reversal of 211112320223120 is 21322023211112.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499921184 + ... + 500343296.

Almost surely, 2^{211112320223120} is an apocalyptic number.

211112320223120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211112320223120 is an abundant number, since it is smaller than the sum of its proper divisors (301067623912432).

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

211112320223120 is a wasteful number, since it uses less digits than its factorization.

211112320223120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693960 (or 693954 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 211112320223120 its reverse (21322023211112), we get a palindrome (232434343434232).

The spelling of 211112320223120 in words is "two hundred eleven trillion, one hundred twelve billion, three hundred twenty million, two hundred twenty-three thousand, one hundred twenty".