2111200011112 has 8 divisors (see below), whose sum is σ = 3958500020850. Its totient is φ = 1055600005552.

The previous prime is 2111200011101. The next prime is 2111200011119. The reversal of 2111200011112 is 2111100021112.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1166171051236 + 945028959876 = 1079894^2 + 972126^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2111200011092 and 2111200011101.

It is not an unprimeable number, because it can be changed into a prime (2111200011119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131950000687 + ... + 131950000702.

Almost surely, 2^{2111200011112} is an apocalyptic number.

It is an amenable number.

2111200011112 is a deficient number, since it is larger than the sum of its proper divisors (1847300009738).

2111200011112 is a wasteful number, since it uses less digits than its factorization.

2111200011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263900001395 (or 263900001391 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2111200011112 its reverse (2111100021112), we get a palindrome (4222300032224).

The spelling of 2111200011112 in words is "two trillion, one hundred eleven billion, two hundred million, eleven thousand, one hundred twelve".