211111001110120 has 64 divisors (see below), whose sum is σ = 484270865809920. Its totient is φ = 82798236129024.

The previous prime is 211111001110111. The next prime is 211111001110127. The reversal of 211111001110120 is 21011100111112.

It is a self number, because there is not a number n which added to its sum of digits gives 211111001110120.

It is not an unprimeable number, because it can be changed into a prime (211111001110127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28452262 + ... + 35096341.

It is an arithmetic number, because the mean of its divisors is an integer number (7566732278280).

Almost surely, 2^{211111001110120} is an apocalyptic number.

211111001110120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211111001110120 is an abundant number, since it is smaller than the sum of its proper divisors (273159864699800).

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

211111001110120 is a wasteful number, since it uses less digits than its factorization.

211111001110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63550234 (or 63550230 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 211111001110120 its reverse (21011100111112), we get a palindrome (232122101221232).

The spelling of 211111001110120 in words is "two hundred eleven trillion, one hundred eleven billion, one million, one hundred ten thousand, one hundred twenty".