1121032121103 has 32 divisors (see below), whose sum is σ = 1678323079680. Its totient is φ = 739476319680.

The previous prime is 1121032121093. The next prime is 1121032121107. The reversal of 1121032121103 is 3011212301211.

1121032121103 is a `hidden beast` number, since 11 + 210 + 321 + 21 + 103 = 666.

It is not a de Polignac number, because 1121032121103 - 2⁴ = 1121032121087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121032121107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3148788 + ... + 3486678.

It is an arithmetic number, because the mean of its divisors is an integer number (52447596240).

Almost surely, 2^{1121032121103} is an apocalyptic number.

1121032121103 is a deficient number, since it is larger than the sum of its proper divisors (557290958577).

1121032121103 is a wasteful number, since it uses less digits than its factorization.

1121032121103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339196 (or 339190 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1121032121103 its reverse (3011212301211), we get a palindrome (4132244422314).

The spelling of 1121032121103 in words is "one trillion, one hundred twenty-one billion, thirty-two million, one hundred twenty-one thousand, one hundred three".