211121200112 has 20 divisors (see below), whose sum is σ = 413097301896. Its totient is φ = 104515444800.

The previous prime is 211121200079. The next prime is 211121200117. The reversal of 211121200112 is 211002121112.

211121200112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×211121200112² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211121200117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65320538 + ... + 65323769.

Almost surely, 2^211121200112 is an apocalyptic number.

It is an amenable number.

211121200112 is a deficient number, since it is larger than the sum of its proper divisors (201976101784).

211121200112 is a wasteful number, since it uses less digits than its factorization.

211121200112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130644416 (or 130644410 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211121200112 its reverse (211002121112), we get a palindrome (422123321224).

The spelling of 211121200112 in words is "two hundred eleven billion, one hundred twenty-one million, two hundred thousand, one hundred twelve".