1111112220001 has 8 divisors (see below), whose sum is σ = 1344539157120. Its totient is φ = 896359437888.

The previous prime is 1111112219999. The next prime is 1111112220017. The reversal of 1111112220001 is 1000222111111.

It is a happy number.

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 1111112220001 - 2¹ = 1111112219999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111112220061) 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, 4668538621 + ... + 4668538858.

It is an arithmetic number, because the mean of its divisors is an integer number (168067394640).

Almost surely, 2^{1111112220001} is an apocalyptic number.

It is an amenable number.

1111112220001 is a deficient number, since it is larger than the sum of its proper divisors (233426937119).

1111112220001 is an equidigital number, since it uses as much as digits as its factorization.

1111112220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9337077503.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1111112220001 its reverse (1000222111111), we get a palindrome (2111334331112).

The spelling of 1111112220001 in words is "one trillion, one hundred eleven billion, one hundred twelve million, two hundred twenty thousand, one".