1103002020203 has 4 divisors (see below), whose sum is σ = 1103125642488. Its totient is φ = 1102878397920.

The previous prime is 1103002020187. The next prime is 1103002020221. The reversal of 1103002020203 is 3020202003011.

It is a happy number.

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 1103002020203 - 2⁴ = 1103002020187 is a prime.

It is a super-2 number, since 2×1103002020203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103002020103) 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, 61797758 + ... + 61815603.

It is an arithmetic number, because the mean of its divisors is an integer number (275781410622).

Almost surely, 2^{1103002020203} is an apocalyptic number.

1103002020203 is a deficient number, since it is larger than the sum of its proper divisors (123622285).

1103002020203 is an equidigital number, since it uses as much as digits as its factorization.

1103002020203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123622284.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 1103002020203 its reverse (3020202003011), we get a palindrome (4123204023214).

The spelling of 1103002020203 in words is "one trillion, one hundred three billion, two million, twenty thousand, two hundred three".