1110020203123 has 16 divisors (see below), whose sum is σ = 1211980268800. Its totient is φ = 1010525479200.

The previous prime is 1110020203093. The next prime is 1110020203133. The reversal of 1110020203123 is 3213020200111.

It is a cyclic number.

It is not a de Polignac number, because 1110020203123 - 2²¹ = 1110018105971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110020203097 and 1110020203106.

It is not an unprimeable number, because it can be changed into a prime (1110020203133) 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 15 ways as a sum of consecutive naturals, for example, 1761213 + ... + 2306926.

It is an arithmetic number, because the mean of its divisors is an integer number (75748766800).

Almost surely, 2^{1110020203123} is an apocalyptic number.

1110020203123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1110020203123 is a deficient number, since it is larger than the sum of its proper divisors (101960065677).

1110020203123 is a wasteful number, since it uses less digits than its factorization.

1110020203123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4068442.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1110020203123 its reverse (3213020200111), we get a palindrome (4323040403234).

The spelling of 1110020203123 in words is "one trillion, one hundred ten billion, twenty million, two hundred three thousand, one hundred twenty-three".