111101010010112 has 56 divisors (see below), whose sum is σ = 224865428633496. Its totient is φ = 54881221476352.

The previous prime is 111101010010031. The next prime is 111101010010127. The reversal of 111101010010112 is 211010010101111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111101010010093 and 111101010010102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81019673 + ... + 82379544.

It is an arithmetic number, because the mean of its divisors is an integer number (4015454082741).

Almost surely, 2^{111101010010112} is an apocalyptic number.

It is an amenable number.

111101010010112 is an abundant number, since it is smaller than the sum of its proper divisors (113764418623384).

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

111101010010112 is an frugal number, since it uses more digits than its factorization.

111101010010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163399326 (or 163399302 counting only the distinct ones).

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

Adding to 111101010010112 its reverse (211010010101111), we get a palindrome (322111020111223).

Subtracting 111101010010112 from its reverse (211010010101111), we obtain a palindrome (99909000090999).

The spelling of 111101010010112 in words is "one hundred eleven trillion, one hundred one billion, ten million, ten thousand, one hundred twelve".