1112240031211 has 4 divisors (see below), whose sum is σ = 1112258708032. Its totient is φ = 1112221354392.

The previous prime is 1112240031169. The next prime is 1112240031233. The reversal of 1112240031211 is 1121300422111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112240031211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112240031271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9248796 + ... + 9368281.

It is an arithmetic number, because the mean of its divisors is an integer number (278064677008).

Almost surely, 2^{1112240031211} is an apocalyptic number.

1112240031211 is a deficient number, since it is larger than the sum of its proper divisors (18676821).

1112240031211 is an equidigital number, since it uses as much as digits as its factorization.

1112240031211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18676820.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1112240031211 its reverse (1121300422111), we get a palindrome (2233540453322).

The spelling of 1112240031211 in words is "one trillion, one hundred twelve billion, two hundred forty million, thirty-one thousand, two hundred eleven".