11112230211001 has 4 divisors (see below), whose sum is σ = 11112343957492. Its totient is φ = 11112116464512.

The previous prime is 11112230210993. The next prime is 11112230211023. The reversal of 11112230211001 is 10011203221111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6054926376976 + 5057303834025 = 2460676^2 + 2248845^2 .

It is a cyclic number.

It is not a de Polignac number, because 11112230211001 - 2³ = 11112230210993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11112230211031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56726580 + ... + 56922133.

It is an arithmetic number, because the mean of its divisors is an integer number (2778085989373).

Almost surely, 2^{11112230211001} is an apocalyptic number.

It is an amenable number.

11112230211001 is a deficient number, since it is larger than the sum of its proper divisors (113746491).

11112230211001 is an equidigital number, since it uses as much as digits as its factorization.

11112230211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113746490.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11112230211001 its reverse (10011203221111), we get a palindrome (21123433432112).

The spelling of 11112230211001 in words is "eleven trillion, one hundred twelve billion, two hundred thirty million, two hundred eleven thousand, one".