1121021111122 has 48 divisors (see below), whose sum is σ = 1880849279232. Its totient is φ = 500657300000.

The previous prime is 1121021111059. The next prime is 1121021111123. The reversal of 1121021111122 is 2211111201211.

It is a junction number, because it is equal to n+sod(n) for n = 1121021111096 and 1121021111105.

It is not an unprimeable number, because it can be changed into a prime (1121021111123) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 3026847 + ... + 3376957.

It is an arithmetic number, because the mean of its divisors is an integer number (39184359984).

Almost surely, 2^{1121021111122} is an apocalyptic number.

1121021111122 is a deficient number, since it is larger than the sum of its proper divisors (759828168110).

1121021111122 is a wasteful number, since it uses less digits than its factorization.

1121021111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350367 (or 350356 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 1121021111122 its reverse (2211111201211), we get a palindrome (3332132312333).

The spelling of 1121021111122 in words is "one trillion, one hundred twenty-one billion, twenty-one million, one hundred eleven thousand, one hundred twenty-two".