1112100121111 has 24 divisors (see below), whose sum is σ = 1370071357200. Its totient is φ = 896956123392.

The previous prime is 1112100121063. The next prime is 1112100121123. The reversal of 1112100121111 is 1111210012111.

It is not a de Polignac number, because 1112100121111 - 2²³ = 1112091732503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1112100121091 and 1112100121100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112100121141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3642576 + ... + 3936058.

It is an arithmetic number, because the mean of its divisors is an integer number (57086306550).

Almost surely, 2^{1112100121111} is an apocalyptic number.

1112100121111 is a deficient number, since it is larger than the sum of its proper divisors (257971236089).

1112100121111 is a wasteful number, since it uses less digits than its factorization.

1112100121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298063 (or 298056 counting only the distinct ones).

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

Adding to 1112100121111 its reverse (1111210012111), we get a palindrome (2223310133222).

The spelling of 1112100121111 in words is "one trillion, one hundred twelve billion, one hundred million, one hundred twenty-one thousand, one hundred eleven".