111020101011112 has 8 divisors (see below), whose sum is σ = 208162689395850. Its totient is φ = 55510050505552.

The previous prime is 111020101011089. The next prime is 111020101011139. The reversal of 111020101011112 is 211110101020111.

It can be written as a sum of positive squares in only one way, i.e., 74751690560836 + 36268410450276 = 8645906^2 + 6022326^2 .

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 = 111020101011092 and 111020101011101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6938756313187 + ... + 6938756313202.

Almost surely, 2^{111020101011112} is an apocalyptic number.

It is an amenable number.

111020101011112 is a deficient number, since it is larger than the sum of its proper divisors (97142588384738).

111020101011112 is a wasteful number, since it uses less digits than its factorization.

111020101011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13877512626395 (or 13877512626391 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111020101011112 its reverse (211110101020111), we get a palindrome (322130202031223).

The spelling of 111020101011112 in words is "one hundred eleven trillion, twenty billion, one hundred one million, eleven thousand, one hundred twelve".