211112120 has 32 divisors (see below), whose sum is σ = 502945200. Its totient is φ = 79477248.

The previous prime is 211112117. The next prime is 211112129. The reversal of 211112120 is 21211112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211112129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154550 + ... + 155909.

Almost surely, 2^211112120 is an apocalyptic number.

211112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211112120 is an abundant number, since it is smaller than the sum of its proper divisors (291833080).

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

211112120 is a wasteful number, since it uses less digits than its factorization.

211112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310487 (or 310483 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 211112120 is about 14529.6978633418. The cubic root of 211112120 is about 595.4396110912.

Adding to 211112120 its reverse (21211112), we get a palindrome (232323232).

The spelling of 211112120 in words is "two hundred eleven million, one hundred twelve thousand, one hundred twenty".