1103113203213 has 16 divisors (see below), whose sum is σ = 1687183240320. Its totient is φ = 628007088576.

The previous prime is 1103113203211. The next prime is 1103113203221. The reversal of 1103113203213 is 3123023113011.

It is a happy number.

It is not a de Polignac number, because 1103113203213 - 2¹ = 1103113203211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1103113203213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103113203211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97632270 + ... + 97643567.

It is an arithmetic number, because the mean of its divisors is an integer number (105448952520).

Almost surely, 2^{1103113203213} is an apocalyptic number.

It is an amenable number.

1103113203213 is a deficient number, since it is larger than the sum of its proper divisors (584070037107).

1103113203213 is a wasteful number, since it uses less digits than its factorization.

1103113203213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195276116.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1103113203213 its reverse (3123023113011), we get a palindrome (4226136316224).

The spelling of 1103113203213 in words is "one trillion, one hundred three billion, one hundred thirteen million, two hundred three thousand, two hundred thirteen".