111132332223221 has 8 divisors (see below), whose sum is σ = 111258872360064. Its totient is φ = 111005793632160.

The previous prime is 111132332223191. The next prime is 111132332223229. The reversal of 111132332223221 is 122322233231111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111132332223221 is a prime.

It is a super-2 number, since 2×111132332223221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111132332223229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206247860 + ... + 206785986.

It is an arithmetic number, because the mean of its divisors is an integer number (13907359045008).

Almost surely, 2^{111132332223221} is an apocalyptic number.

It is an amenable number.

111132332223221 is a deficient number, since it is larger than the sum of its proper divisors (126540136843).

111132332223221 is an equidigital number, since it uses as much as digits as its factorization.

111132332223221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772891.

The product of its digits is 5184, while the sum is 29.

Adding to 111132332223221 its reverse (122322233231111), we get a palindrome (233454565454332).

The spelling of 111132332223221 in words is "one hundred eleven trillion, one hundred thirty-two billion, three hundred thirty-two million, two hundred twenty-three thousand, two hundred twenty-one".