111223012232021 has 8 divisors (see below), whose sum is σ = 111778206540000. Its totient is φ = 110669138244720.

The previous prime is 111223012231999. The next prime is 111223012232047. The reversal of 111223012232021 is 120232210322111.

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 111223012232021 - 2¹⁰ = 111223012230997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111223012237021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329911271 + ... + 330248228.

It is an arithmetic number, because the mean of its divisors is an integer number (13972275817500).

Almost surely, 2^{111223012232021} is an apocalyptic number.

It is an amenable number.

111223012232021 is a deficient number, since it is larger than the sum of its proper divisors (555194307979).

111223012232021 is an equidigital number, since it uses as much as digits as its factorization.

111223012232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660160339.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 111223012232021 its reverse (120232210322111), we get a palindrome (231455222554132).

The spelling of 111223012232021 in words is "one hundred eleven trillion, two hundred twenty-three billion, twelve million, two hundred thirty-two thousand, twenty-one".