111100010101112 has 32 divisors (see below), whose sum is σ = 208534697056800. Its totient is φ = 55490759568384.

The previous prime is 111100010101079. The next prime is 111100010101121. The reversal of 111100010101112 is 211101010001111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111100010101093 and 111100010101102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694916288 + ... + 695076144.

It is an arithmetic number, because the mean of its divisors is an integer number (6516709283025).

Almost surely, 2^{111100010101112} is an apocalyptic number.

It is an amenable number.

111100010101112 is a deficient number, since it is larger than the sum of its proper divisors (97434686955688).

111100010101112 is a wasteful number, since it uses less digits than its factorization.

111100010101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251975 (or 251971 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 111100010101112 its reverse (211101010001111), we get a palindrome (322201020102223).

The spelling of 111100010101112 in words is "one hundred eleven trillion, one hundred billion, ten million, one hundred one thousand, one hundred twelve".