1102103203123 has 4 divisors (see below), whose sum is σ = 1186880372608. Its totient is φ = 1017326033640.

The previous prime is 1102103203121. The next prime is 1102103203139. The reversal of 1102103203123 is 3213023012011.

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 1102103203123 - 2¹ = 1102103203121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1102103203123.

It is not an unprimeable number, because it can be changed into a prime (1102103203121) 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 3 ways as a sum of consecutive naturals, for example, 42388584723 + ... + 42388584748.

It is an arithmetic number, because the mean of its divisors is an integer number (296720093152).

Almost surely, 2^{1102103203123} is an apocalyptic number.

1102103203123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1102103203123 is a deficient number, since it is larger than the sum of its proper divisors (84777169485).

1102103203123 is an equidigital number, since it uses as much as digits as its factorization.

1102103203123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84777169484.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1102103203123 its reverse (3213023012011), we get a palindrome (4315126215134).

The spelling of 1102103203123 in words is "one trillion, one hundred two billion, one hundred three million, two hundred three thousand, one hundred twenty-three".