111222110121003 has 32 divisors (see below), whose sum is σ = 188435567608320. Its totient is φ = 63513978927840.

The previous prime is 111222110120987. The next prime is 111222110121011. The reversal of 111222110121003 is 300121011222111.

It is a happy number.

It is not a de Polignac number, because 111222110121003 - 2⁴ = 111222110120987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111222110161003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191897700 + ... + 192476417.

It is an arithmetic number, because the mean of its divisors is an integer number (5888611487760).

Almost surely, 2^{111222110121003} is an apocalyptic number.

111222110121003 is a deficient number, since it is larger than the sum of its proper divisors (77213457487317).

111222110121003 is a wasteful number, since it uses less digits than its factorization.

111222110121003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384375664 (or 384375658 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 111222110121003 its reverse (300121011222111), we get a palindrome (411343121343114).

The spelling of 111222110121003 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred ten million, one hundred twenty-one thousand, three".