1111201121112 has 32 divisors (see below), whose sum is σ = 2778162514800. Its totient is φ = 370379078784.

The previous prime is 1111201121039. The next prime is 1111201121123. The reversal of 1111201121112 is 2111211021111.

It is a junction number, because it is equal to n+sod(n) for n = 1111201121091 and 1111201121100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 901963 + ... + 1742394.

Almost surely, 2^{1111201121112} is an apocalyptic number.

1111201121112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111201121112 is an abundant number, since it is smaller than the sum of its proper divisors (1666961393688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111201121112 is a wasteful number, since it uses less digits than its factorization.

1111201121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661875 (or 2661871 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 1111201121112 its reverse (2111211021111), we get a palindrome (3222412142223).

The spelling of 1111201121112 in words is "one trillion, one hundred eleven billion, two hundred one million, one hundred twenty-one thousand, one hundred twelve".