1121100030103 has 4 divisors (see below), whose sum is σ = 1124751822040. Its totient is φ = 1117448238168.

The previous prime is 1121100030067. The next prime is 1121100030143. The reversal of 1121100030103 is 3010300011211.

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 1121100030103 - 2¹³ = 1121100021911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121100030143) 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, 1825895508 + ... + 1825896121.

It is an arithmetic number, because the mean of its divisors is an integer number (281187955510).

Almost surely, 2^{1121100030103} is an apocalyptic number.

1121100030103 is a deficient number, since it is larger than the sum of its proper divisors (3651791937).

1121100030103 is an equidigital number, since it uses as much as digits as its factorization.

1121100030103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3651791936.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 1121100030103 its reverse (3010300011211), we get a palindrome (4131400041314).

The spelling of 1121100030103 in words is "one trillion, one hundred twenty-one billion, one hundred million, thirty thousand, one hundred three".