1121132021103 has 36 divisors (see below), whose sum is σ = 1682466171360. Its totient is φ = 747041968512.

The previous prime is 1121132021071. The next prime is 1121132021147. The reversal of 1121132021103 is 3011202311211.

1121132021103 is a `hidden beast` number, since 11 + 211 + 320 + 21 + 103 = 666.

It is not a de Polignac number, because 1121132021103 - 2⁵ = 1121132021071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121132021153) 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 35 ways as a sum of consecutive naturals, for example, 13191178 + ... + 13275896.

Almost surely, 2^{1121132021103} is an apocalyptic number.

1121132021103 is a deficient number, since it is larger than the sum of its proper divisors (561334150257).

1121132021103 is an frugal number, since it uses more digits than its factorization.

1121132021103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86760 (or 86739 counting only the distinct ones).

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

Adding to 1121132021103 its reverse (3011202311211), we get a palindrome (4132334332314).

The spelling of 1121132021103 in words is "one trillion, one hundred twenty-one billion, one hundred thirty-two million, twenty-one thousand, one hundred three".