11111100211112 has 24 divisors (see below), whose sum is σ = 22899426573450. Its totient is φ = 5050500095520.

The previous prime is 11111100211063. The next prime is 11111100211171. The reversal of 11111100211112 is 21111200111111.

It can be written as a sum of positive squares in only one way, i.e., 6801382338916 + 4309717872196 = 2607946^2 + 2075986^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5739203687 + ... + 5739205622.

Almost surely, 2^{11111100211112} is an apocalyptic number.

It is an amenable number.

11111100211112 is an abundant number, since it is smaller than the sum of its proper divisors (11788326362338).

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

11111100211112 is a wasteful number, since it uses less digits than its factorization.

11111100211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11478409337 (or 11478409322 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 11111100211112 its reverse (21111200111111), we get a palindrome (32222300322223).

The spelling of 11111100211112 in words is "eleven trillion, one hundred eleven billion, one hundred million, two hundred eleven thousand, one hundred twelve".