111122101203 has 16 divisors (see below), whose sum is σ = 149265916800. Its totient is φ = 73530109440.

The previous prime is 111122101199. The next prime is 111122101219. The reversal of 111122101203 is 302101221111.

It is not a de Polignac number, because 111122101203 - 2² = 111122101199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111122101903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1757448 + ... + 1819578.

It is an arithmetic number, because the mean of its divisors is an integer number (9329119800).

Almost surely, 2^111122101203 is an apocalyptic number.

111122101203 is a deficient number, since it is larger than the sum of its proper divisors (38143815597).

111122101203 is a wasteful number, since it uses less digits than its factorization.

111122101203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66562.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 111122101203 its reverse (302101221111), we get a palindrome (413223322314).

The spelling of 111122101203 in words is "one hundred eleven billion, one hundred twenty-two million, one hundred one thousand, two hundred three".