1121113130203 has 4 divisors (see below), whose sum is σ = 1223032505688. Its totient is φ = 1019193754720.

The previous prime is 1121113130183. The next prime is 1121113130209. The reversal of 1121113130203 is 3020313111211.

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 1121113130203 - 2⁵ = 1121113130171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121113130209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50959687726 + ... + 50959687747.

It is an arithmetic number, because the mean of its divisors is an integer number (305758126422).

Almost surely, 2^{1121113130203} is an apocalyptic number.

1121113130203 is a deficient number, since it is larger than the sum of its proper divisors (101919375485).

1121113130203 is a wasteful number, since it uses less digits than its factorization.

1121113130203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101919375484.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1121113130203 its reverse (3020313111211), we get a palindrome (4141426241414).

The spelling of 1121113130203 in words is "one trillion, one hundred twenty-one billion, one hundred thirteen million, one hundred thirty thousand, two hundred three".