1112021131111 has 8 divisors (see below), whose sum is σ = 1215584667648. Its totient is φ = 1008869379000.

The previous prime is 1112021131103. The next prime is 1112021131127. The reversal of 1112021131111 is 1111311202111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1112021131111 - 2³ = 1112021131103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112021131141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102940455 + ... + 102951256.

It is an arithmetic number, because the mean of its divisors is an integer number (151948083456).

Almost surely, 2^{1112021131111} is an apocalyptic number.

1112021131111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1112021131111 is a deficient number, since it is larger than the sum of its proper divisors (103563536537).

1112021131111 is a wasteful number, since it uses less digits than its factorization.

1112021131111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205892213.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 1112021131111 its reverse (1111311202111), we get a palindrome (2223332333222).

The spelling of 1112021131111 in words is "one trillion, one hundred twelve billion, twenty-one million, one hundred thirty-one thousand, one hundred eleven".