1103012203213 has 4 divisors (see below), whose sum is σ = 1109106193468. Its totient is φ = 1096918212960.

The previous prime is 1103012203201. The next prime is 1103012203343. The reversal of 1103012203213 is 3123022103011.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12453890409 + 1090558312804 = 111597^2 + 1044298^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103012203213 is a prime.

It is a super-3 number, since 3×1103012203213³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103012203913) 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, 3046994856 + ... + 3046995217.

It is an arithmetic number, because the mean of its divisors is an integer number (277276548367).

Almost surely, 2^{1103012203213} is an apocalyptic number.

It is an amenable number.

1103012203213 is a deficient number, since it is larger than the sum of its proper divisors (6093990255).

1103012203213 is an equidigital number, since it uses as much as digits as its factorization.

1103012203213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6093990254.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1103012203213 its reverse (3123022103011), we get a palindrome (4226034306224).

The spelling of 1103012203213 in words is "one trillion, one hundred three billion, twelve million, two hundred three thousand, two hundred thirteen".