111122212003 has 16 divisors (see below), whose sum is σ = 121407745536. Its totient is φ = 100867407040.

The previous prime is 111122211979. The next prime is 111122212007. The reversal of 111122212003 is 300212221111.

It is a cyclic number.

It is not a de Polignac number, because 111122212003 - 2²¹ = 111120114851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111122212007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28763850 + ... + 28767712.

It is an arithmetic number, because the mean of its divisors is an integer number (7587984096).

Almost surely, 2^111122212003 is an apocalyptic number.

111122212003 is a deficient number, since it is larger than the sum of its proper divisors (10285533533).

111122212003 is a wasteful number, since it uses less digits than its factorization.

111122212003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7154.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 111122212003 its reverse (300212221111), we get a palindrome (411334433114).

The spelling of 111122212003 in words is "one hundred eleven billion, one hundred twenty-two million, two hundred twelve thousand, three".