1112111232011 has 4 divisors (see below), whose sum is σ = 1197658249872. Its totient is φ = 1026564214152.

The previous prime is 1112111231999. The next prime is 1112111232013. The reversal of 1112111232011 is 1102321112111.

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-1112111232011 is a prime.

It is a super-2 number, since 2×1112111232011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112111232013) 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, 42773508911 + ... + 42773508936.

It is an arithmetic number, because the mean of its divisors is an integer number (299414562468).

Almost surely, 2^{1112111232011} is an apocalyptic number.

1112111232011 is a deficient number, since it is larger than the sum of its proper divisors (85547017861).

1112111232011 is an equidigital number, since it uses as much as digits as its factorization.

1112111232011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85547017860.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 1112111232011 its reverse (1102321112111), we get a palindrome (2214432344122).

The spelling of 1112111232011 in words is "one trillion, one hundred twelve billion, one hundred eleven million, two hundred thirty-two thousand, eleven".