211113320120 has 16 divisors (see below), whose sum is σ = 475004970360. Its totient is φ = 84445328032.

The previous prime is 211113320113. The next prime is 211113320147. The reversal of 211113320120 is 21023311112.

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, 2638916462 + ... + 2638916541.

Almost surely, 2^211113320120 is an apocalyptic number.

211113320120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211113320120 is an abundant number, since it is smaller than the sum of its proper divisors (263891650240).

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

211113320120 is a wasteful number, since it uses less digits than its factorization.

211113320120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5277833014 (or 5277833010 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 211113320120 its reverse (21023311112), we get a palindrome (232136631232).

The spelling of 211113320120 in words is "two hundred eleven billion, one hundred thirteen million, three hundred twenty thousand, one hundred twenty".