111011101011112 has 8 divisors (see below), whose sum is σ = 208145814395850. Its totient is φ = 55505550505552.

The previous prime is 111011101011023. The next prime is 111011101011149. The reversal of 111011101011112 is 211110101110111.

It can be written as a sum of positive squares in only one way, i.e., 69677851350276 + 41333249660836 = 8347326^2 + 6429094^2 .

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 = 111011101011092 and 111011101011101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6938193813187 + ... + 6938193813202.

Almost surely, 2^{111011101011112} is an apocalyptic number.

It is an amenable number.

111011101011112 is a deficient number, since it is larger than the sum of its proper divisors (97134713384738).

111011101011112 is a wasteful number, since it uses less digits than its factorization.

111011101011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13876387626395 (or 13876387626391 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 13.

Adding to 111011101011112 its reverse (211110101110111), we get a palindrome (322121202121223).

The spelling of 111011101011112 in words is "one hundred eleven trillion, eleven billion, one hundred one million, eleven thousand, one hundred twelve".