2144320111211 has 4 divisors (see below), whose sum is σ = 2144323823592. Its totient is φ = 2144316398832.

The previous prime is 2144320111201. The next prime is 2144320111231. The reversal of 2144320111211 is 1121110234412.

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

It is a cyclic number.

It is not a de Polignac number, because 2144320111211 - 2¹⁴ = 2144320094827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144320111201) 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, 782906 + ... + 2213951.

It is an arithmetic number, because the mean of its divisors is an integer number (536080955898).

Almost surely, 2^{2144320111211} is an apocalyptic number.

2144320111211 is a deficient number, since it is larger than the sum of its proper divisors (3712381).

2144320111211 is an equidigital number, since it uses as much as digits as its factorization.

2144320111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712380.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 2144320111211 its reverse (1121110234412), we get a palindrome (3265430345623).

The spelling of 2144320111211 in words is "two trillion, one hundred forty-four billion, three hundred twenty million, one hundred eleven thousand, two hundred eleven".