11203203001103 has 8 divisors (see below), whose sum is σ = 11223974244672. Its totient is φ = 11182434116256.

The previous prime is 11203203001079. The next prime is 11203203001127. The reversal of 11203203001103 is 30110030230211.

It is an interprime number because it is at equal distance from previous prime (11203203001079) and next prime (11203203001127).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11203203001103 - 2³⁴ = 11186023131919 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 (11203203006103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9064826 + ... + 10226312.

It is an arithmetic number, because the mean of its divisors is an integer number (1402996780584).

Almost surely, 2^{11203203001103} is an apocalyptic number.

11203203001103 is a deficient number, since it is larger than the sum of its proper divisors (20771243569).

11203203001103 is a wasteful number, since it uses less digits than its factorization.

11203203001103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179361.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11203203001103 its reverse (30110030230211), we get a palindrome (41313233231314).

The spelling of 11203203001103 in words is "eleven trillion, two hundred three billion, two hundred three million, one thousand, one hundred three".