101111121112 has 8 divisors (see below), whose sum is σ = 189583352100. Its totient is φ = 50555560552.

The previous prime is 101111121101. The next prime is 101111121121. The reversal of 101111121112 is 211121111101.

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 = 101111121092 and 101111121101.

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 as a sum of consecutive naturals, namely, 6319445062 + ... + 6319445077.

Almost surely, 2^101111121112 is an apocalyptic number.

It is an amenable number.

101111121112 is a deficient number, since it is larger than the sum of its proper divisors (88472230988).

101111121112 is a wasteful number, since it uses less digits than its factorization.

101111121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12638890145 (or 12638890141 counting only the distinct ones).

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

Adding to 101111121112 its reverse (211121111101), we get a palindrome (312232232213).

The spelling of 101111121112 in words is "one hundred one billion, one hundred eleven million, one hundred twenty-one thousand, one hundred twelve".