111222233120101 has 8 divisors (see below), whose sum is σ = 111560325275000. Its totient is φ = 110884251844800.

The previous prime is 111222233120083. The next prime is 111222233120137. The reversal of 111222233120101 is 101021332222111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1859475867876 + 109362757252225 = 1363626^2 + 10457665^2 .

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 111222233120101 - 2⁹ = 111222233119589 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 (111222233120191) 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, 25710450 + ... + 29723251.

It is an arithmetic number, because the mean of its divisors is an integer number (13945040659375).

Almost surely, 2^{111222233120101} is an apocalyptic number.

It is an amenable number.

111222233120101 is a deficient number, since it is larger than the sum of its proper divisors (338092154899).

111222233120101 is an equidigital number, since it uses as much as digits as its factorization.

111222233120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55439799.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 111222233120101 its reverse (101021332222111), we get a palindrome (212243565342212).

The spelling of 111222233120101 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred thirty-three million, one hundred twenty thousand, one hundred one".