211112120200 has 24 divisors (see below), whose sum is σ = 490835679930. Its totient is φ = 84444848000.

The previous prime is 211112120173. The next prime is 211112120257. The reversal of 211112120200 is 2021211112.

It can be written as a sum of positive squares in 3 ways, for example, as 145339362756 + 65772757444 = 381234^2 + 256462^2 .

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 5 ways as a sum of consecutive naturals, for example, 527780101 + ... + 527780500.

Almost surely, 2^211112120200 is an apocalyptic number.

211112120200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211112120200 is an abundant number, since it is smaller than the sum of its proper divisors (279723559730).

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

211112120200 is a wasteful number, since it uses less digits than its factorization.

211112120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055560617 (or 1055560608 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211112120200 its reverse (2021211112), we get a palindrome (213133331312).

The spelling of 211112120200 in words is "two hundred eleven billion, one hundred twelve million, one hundred twenty thousand, two hundred".