1121020102112 has 48 divisors (see below), whose sum is σ = 2211595701840. Its totient is φ = 559345532928.

The previous prime is 1121020102109. The next prime is 1121020102121. The reversal of 1121020102112 is 2112010201211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138925214 + ... + 138933282.

It is an arithmetic number, because the mean of its divisors is an integer number (46074910455).

Almost surely, 2^{1121020102112} is an apocalyptic number.

It is an amenable number.

1121020102112 is a deficient number, since it is larger than the sum of its proper divisors (1090575599728).

1121020102112 is an equidigital number, since it uses as much as digits as its factorization.

1121020102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16563 (or 16555 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1121020102112 its reverse (2112010201211), we get a palindrome (3233030303323).

Subtracting 1121020102112 from its reverse (2112010201211), we obtain a palindrome (990990099099).

The spelling of 1121020102112 in words is "one trillion, one hundred twenty-one billion, twenty million, one hundred two thousand, one hundred twelve".