221111302012023 has 16 divisors (see below), whose sum is σ = 306106497792000. Its totient is φ = 141799333505760.

The previous prime is 221111302012021. The next prime is 221111302012037. The reversal of 221111302012023 is 320210203111122.

It is not a de Polignac number, because 221111302012023 - 2¹ = 221111302012021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221111302012021) 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, 4689107823 + ... + 4689154976.

It is an arithmetic number, because the mean of its divisors is an integer number (19131656112000).

Almost surely, 2^{221111302012023} is an apocalyptic number.

221111302012023 is a deficient number, since it is larger than the sum of its proper divisors (84995195779977).

221111302012023 is a wasteful number, since it uses less digits than its factorization.

221111302012023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9378263102.

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

Adding to 221111302012023 its reverse (320210203111122), we get a palindrome (541321505123145).

The spelling of 221111302012023 in words is "two hundred twenty-one trillion, one hundred eleven billion, three hundred two million, twelve thousand, twenty-three".