211120120000 has 140 divisors (see below), whose sum is σ = 524520693400. Its totient is φ = 84284928000.

The previous prime is 211120119983. The next prime is 211120120027. The reversal of 211120120000 is 21021112.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21875176 + ... + 21884824.

Almost surely, 2^211120120000 is an apocalyptic number.

211120120000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211120120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262260346700).

211120120000 is an abundant number, since it is smaller than the sum of its proper divisors (313400573400).

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

211120120000 is an frugal number, since it uses more digits than its factorization.

211120120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10228 (or 10203 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 211120120000 its reverse (21021112), we get a palindrome (211141141112).

The spelling of 211120120000 in words is "two hundred eleven billion, one hundred twenty million, one hundred twenty thousand".