111213211143203 has 64 divisors (see below), whose sum is σ = 128606377536000. Its totient is φ = 95265108148224.

The previous prime is 111213211143197. The next prime is 111213211143289. The reversal of 111213211143203 is 302341112312111.

It is not a de Polignac number, because 111213211143203 - 2¹⁰ = 111213211142179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111213211143703) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2814863213 + ... + 2814902721.

It is an arithmetic number, because the mean of its divisors is an integer number (2009474649000).

Almost surely, 2^{111213211143203} is an apocalyptic number.

111213211143203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111213211143203 is a deficient number, since it is larger than the sum of its proper divisors (17393166392797).

111213211143203 is a wasteful number, since it uses less digits than its factorization.

111213211143203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40304.

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 111213211143203 its reverse (302341112312111), we get a palindrome (413554323455314).

The spelling of 111213211143203 in words is "one hundred eleven trillion, two hundred thirteen billion, two hundred eleven million, one hundred forty-three thousand, two hundred three".