1121132340203 has 4 divisors (see below), whose sum is σ = 1147205185368. Its totient is φ = 1095059495040.

The previous prime is 1121132340113. The next prime is 1121132340221. The reversal of 1121132340203 is 3020432311211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1121132340203 - 2³⁴ = 1103952471019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121132340803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13036422518 + ... + 13036422603.

It is an arithmetic number, because the mean of its divisors is an integer number (286801296342).

Almost surely, 2^{1121132340203} is an apocalyptic number.

1121132340203 is a deficient number, since it is larger than the sum of its proper divisors (26072845165).

1121132340203 is an equidigital number, since it uses as much as digits as its factorization.

1121132340203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26072845164.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1121132340203 its reverse (3020432311211), we get a palindrome (4141564651414).

The spelling of 1121132340203 in words is "one trillion, one hundred twenty-one billion, one hundred thirty-two million, three hundred forty thousand, two hundred three".