1121012002112 has 14 divisors (see below), whose sum is σ = 2224508191818. Its totient is φ = 560506001024.

The previous prime is 1121012002079. The next prime is 1121012002189. The reversal of 1121012002112 is 2112002101211.

It can be written as a sum of positive squares in only one way, i.e., 753465664576 + 367546337536 = 868024^2 + 606256^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 8757906203 + ... + 8757906330.

Almost surely, 2^{1121012002112} is an apocalyptic number.

It is an amenable number.

1121012002112 is a deficient number, since it is larger than the sum of its proper divisors (1103496189706).

1121012002112 is an equidigital number, since it uses as much as digits as its factorization.

1121012002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17515812545 (or 17515812535 counting only the distinct ones).

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

Adding to 1121012002112 its reverse (2112002101211), we get a palindrome (3233014103323).

Subtracting 1121012002112 from its reverse (2112002101211), we obtain a palindrome (990990099099).

The spelling of 1121012002112 in words is "one trillion, one hundred twenty-one billion, twelve million, two thousand, one hundred twelve".