111021012003 has 8 divisors (see below), whose sum is σ = 161485108416. Its totient is φ = 67285461800.

The previous prime is 111021011999. The next prime is 111021012023. The reversal of 111021012003 is 300210120111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111021012003 - 2² = 111021011999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111021012003.

It is not an unprimeable number, because it can be changed into a prime (111021012023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1682136513 + ... + 1682136578.

It is an arithmetic number, because the mean of its divisors is an integer number (20185638552).

Almost surely, 2^111021012003 is an apocalyptic number.

111021012003 is a deficient number, since it is larger than the sum of its proper divisors (50464096413).

111021012003 is a wasteful number, since it uses less digits than its factorization.

111021012003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364273105.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 111021012003 its reverse (300210120111), we get a palindrome (411231132114).

The spelling of 111021012003 in words is "one hundred eleven billion, twenty-one million, twelve thousand, three".