1121121112112 has 10 divisors (see below), whose sum is σ = 2172172154748. Its totient is φ = 560560556048.

The previous prime is 1121121112103. The next prime is 1121121112141. The reversal of 1121121112112 is 2112111211211.

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35035034738 + ... + 35035034769.

Almost surely, 2^{1121121112112} is an apocalyptic number.

It is an amenable number.

1121121112112 is a deficient number, since it is larger than the sum of its proper divisors (1051051042636).

1121121112112 is an equidigital number, since it uses as much as digits as its factorization.

1121121112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70070069515 (or 70070069509 counting only the distinct ones).

The product of its digits is 16, while the sum is 17.

Adding to 1121121112112 its reverse (2112111211211), we get a palindrome (3233232323323).

Subtracting 1121121112112 from its reverse (2112111211211), we obtain a palindrome (990990099099).

It can be divided in two parts, 11 and 21121112112, that multiplied together give a palindrome (232332233232).

The spelling of 1121121112112 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-one million, one hundred twelve thousand, one hundred twelve".