111011212112203 has 12 divisors (see below), whose sum is σ = 125433816211440. Its totient is φ = 98016588617376.

The previous prime is 111011212112201. The next prime is 111011212112239. The reversal of 111011212112203 is 302211212110111.

It is not a de Polignac number, because 111011212112203 - 2¹ = 111011212112201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111011212112201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14279802148 + ... + 14279809921.

It is an arithmetic number, because the mean of its divisors is an integer number (10452818017620).

Almost surely, 2^{111011212112203} is an apocalyptic number.

111011212112203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111011212112203 is a deficient number, since it is larger than the sum of its proper divisors (14422604099237).

111011212112203 is a wasteful number, since it uses less digits than its factorization.

111011212112203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28559612118 (or 28559612105 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 111011212112203 its reverse (302211212110111), we get a palindrome (413222424222314).

The spelling of 111011212112203 in words is "one hundred eleven trillion, eleven billion, two hundred twelve million, one hundred twelve thousand, two hundred three".