1121111122112 has 28 divisors (see below), whose sum is σ = 2228070632496. Its totient is φ = 559707498240.

The previous prime is 1121111122097. The next prime is 1121111122189. The reversal of 1121111122112 is 2112211111211.

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 in 3 ways as a sum of consecutive naturals, for example, 13208348 + ... + 13292955.

Almost surely, 2^{1121111122112} is an apocalyptic number.

It is an amenable number.

1121111122112 is a deficient number, since it is larger than the sum of its proper divisors (1106959510384).

1121111122112 is an equidigital number, since it uses as much as digits as its factorization.

1121111122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26501976 (or 26501966 counting only the distinct ones).

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

Adding to 1121111122112 its reverse (2112211111211), we get a palindrome (3233322233323).

The spelling of 1121111122112 in words is "one trillion, one hundred twenty-one billion, one hundred eleven million, one hundred twenty-two thousand, one hundred twelve".