2211444401233 has 16 divisors (see below), whose sum is σ = 2307582251856. Its totient is φ = 2117934673920.

The previous prime is 2211444401183. The next prime is 2211444401261. The reversal of 2211444401233 is 3321044441122.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 26345509969 + 2185098891264 = 162313^2 + 1478208^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211444401233 - 2⁹ = 2211444400721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2211444401195 and 2211444401204.

It is not an unprimeable number, because it can be changed into a prime (2211444401273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2570998 + ... + 3321583.

It is an arithmetic number, because the mean of its divisors is an integer number (144223890741).

Almost surely, 2^{2211444401233} is an apocalyptic number.

It is an amenable number.

2211444401233 is a deficient number, since it is larger than the sum of its proper divisors (96137850623).

2211444401233 is an equidigital number, since it uses as much as digits as its factorization.

2211444401233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5892804.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 2211444401233 its reverse (3321044441122), we get a palindrome (5532488842355).

The spelling of 2211444401233 in words is "two trillion, two hundred eleven billion, four hundred forty-four million, four hundred one thousand, two hundred thirty-three".