111212221002303 has 16 divisors (see below), whose sum is σ = 148758509422080. Its totient is φ = 73903712361024.

The previous prime is 111212221002151. The next prime is 111212221002401. The reversal of 111212221002303 is 303200122212111.

It is not a de Polignac number, because 111212221002303 - 2³² = 111207926035007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111212221002303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111212261002303) 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, 81977050 + ... + 83322632.

It is an arithmetic number, because the mean of its divisors is an integer number (9297406838880).

Almost surely, 2^{111212221002303} is an apocalyptic number.

111212221002303 is a deficient number, since it is larger than the sum of its proper divisors (37546288419777).

111212221002303 is a wasteful number, since it uses less digits than its factorization.

111212221002303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433918.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 111212221002303 its reverse (303200122212111), we get a palindrome (414412343214414).

The spelling of 111212221002303 in words is "one hundred eleven trillion, two hundred twelve billion, two hundred twenty-one million, two thousand, three hundred three".