1103420420103 has 4 divisors (see below), whose sum is σ = 1471227226808. Its totient is φ = 735613613400.

The previous prime is 1103420420101. The next prime is 1103420420119. The reversal of 1103420420103 is 3010240243011.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1103420420103 - 2¹ = 1103420420101 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 1103420420103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103420420101) 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, 183903403348 + ... + 183903403353.

It is an arithmetic number, because the mean of its divisors is an integer number (367806806702).

Almost surely, 2^{1103420420103} is an apocalyptic number.

1103420420103 is a deficient number, since it is larger than the sum of its proper divisors (367806806705).

1103420420103 is an equidigital number, since it uses as much as digits as its factorization.

1103420420103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367806806704.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1103420420103 its reverse (3010240243011), we get a palindrome (4113660663114).

The spelling of 1103420420103 in words is "one trillion, one hundred three billion, four hundred twenty million, four hundred twenty thousand, one hundred three".