1121010111112 has 32 divisors (see below), whose sum is σ = 2153147119200. Its totient is φ = 546866296704.

The previous prime is 1121010111103. The next prime is 1121010111139. The reversal of 1121010111112 is 2111110101211.

It is a junction number, because it is equal to n+sod(n) for n = 1121010111092 and 1121010111101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1484437 + ... + 2108452.

It is an arithmetic number, because the mean of its divisors is an integer number (67285847475).

Almost surely, 2^{1121010111112} is an apocalyptic number.

It is an amenable number.

1121010111112 is a deficient number, since it is larger than the sum of its proper divisors (1032137008088).

1121010111112 is a wasteful number, since it uses less digits than its factorization.

1121010111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593845 (or 3593841 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1121010111112 its reverse (2111110101211), we get a palindrome (3232120212323).

Subtracting 1121010111112 from its reverse (2111110101211), we obtain a palindrome (990099990099).

The spelling of 1121010111112 in words is "one trillion, one hundred twenty-one billion, ten million, one hundred eleven thousand, one hundred twelve".