211120200011240 has 64 divisors (see below), whose sum is σ = 511767849116160. Its totient is φ = 77920475454720.

The previous prime is 211120200011239. The next prime is 211120200011249. The reversal of 211120200011240 is 42110002021112.

It is a super-2 number, since 2×211120200011240² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211120200011249) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 81003416 + ... + 83569095.

It is an arithmetic number, because the mean of its divisors is an integer number (7996372642440).

Almost surely, 2^{211120200011240} is an apocalyptic number.

211120200011240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211120200011240 is an abundant number, since it is smaller than the sum of its proper divisors (300647649104920).

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

211120200011240 is a wasteful number, since it uses less digits than its factorization.

211120200011240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164575002 (or 164574998 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211120200011240 its reverse (42110002021112), we get a palindrome (253230202032352).

The spelling of 211120200011240 in words is "two hundred eleven trillion, one hundred twenty billion, two hundred million, eleven thousand, two hundred forty".