1121111303123 has 8 divisors (see below), whose sum is σ = 1336977454848. Its totient is φ = 919171999944.

The previous prime is 1121111303099. The next prime is 1121111303171. The reversal of 1121111303123 is 3213031111211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121111303123 - 2¹⁰ = 1121111302099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121111303095 and 1121111303104.

It is not an unprimeable number, because it can be changed into a prime (1121111303173) 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 7 ways as a sum of consecutive naturals, for example, 3481711961 + ... + 3481712282.

It is an arithmetic number, because the mean of its divisors is an integer number (167122181856).

Almost surely, 2^{1121111303123} is an apocalyptic number.

1121111303123 is a deficient number, since it is larger than the sum of its proper divisors (215866151725).

1121111303123 is an equidigital number, since it uses as much as digits as its factorization.

1121111303123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6963424273.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1121111303123 its reverse (3213031111211), we get a palindrome (4334142414334).

The spelling of 1121111303123 in words is "one trillion, one hundred twenty-one billion, one hundred eleven million, three hundred three thousand, one hundred twenty-three".