111122222200001 has 8 divisors (see below), whose sum is σ = 111582056817000. Its totient is φ = 110663334720640.

The previous prime is 111122222199907. The next prime is 111122222200009. The reversal of 111122222200001 is 100002222221111.

It can be written as a sum of positive squares in 4 ways, for example, as 26761211919376 + 84361010280625 = 5173124^2 + 9184825^2 .

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 111122222200001 - 2¹⁴ = 111122222183617 is a prime.

It is a super-5 number, since 5×111122222200001⁵ (a number of 71 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111122222200009) 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, 236549276 + ... + 237018573.

It is an arithmetic number, because the mean of its divisors is an integer number (13947757102125).

Almost surely, 2^{111122222200001} is an apocalyptic number.

It is an amenable number.

111122222200001 is a deficient number, since it is larger than the sum of its proper divisors (459834616999).

111122222200001 is an equidigital number, since it uses as much as digits as its factorization.

111122222200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473568819.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111122222200001 its reverse (100002222221111), we get a palindrome (211124444421112).

The spelling of 111122222200001 in words is "one hundred eleven trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred thousand, one".