1111213203203 has 8 divisors (see below), whose sum is σ = 1123659065568. Its totient is φ = 1098799213824.

The previous prime is 1111213203181. The next prime is 1111213203241. The reversal of 1111213203203 is 3023023121111.

It is a happy number.

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 1111213203203 - 2²⁴ = 1111196425987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111213209203) 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, 7898126 + ... + 8037587.

It is an arithmetic number, because the mean of its divisors is an integer number (140457383196).

Almost surely, 2^{1111213203203} is an apocalyptic number.

1111213203203 is a deficient number, since it is larger than the sum of its proper divisors (12445862365).

1111213203203 is a wasteful number, since it uses less digits than its factorization.

1111213203203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15936493.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1111213203203 its reverse (3023023121111), we get a palindrome (4134236324314).

The spelling of 1111213203203 in words is "one trillion, one hundred eleven billion, two hundred thirteen million, two hundred three thousand, two hundred three".