2144311022111 has 4 divisors (see below), whose sum is σ = 2144651341224. Its totient is φ = 2143970703000.

The previous prime is 2144311022053. The next prime is 2144311022123. The reversal of 2144311022111 is 1112201134412.

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 2144311022111 - 2⁶ = 2144311022047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144311022141) 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, 170150105 + ... + 170162706.

It is an arithmetic number, because the mean of its divisors is an integer number (536162835306).

Almost surely, 2^{2144311022111} is an apocalyptic number.

2144311022111 is a deficient number, since it is larger than the sum of its proper divisors (340319113).

2144311022111 is an equidigital number, since it uses as much as digits as its factorization.

2144311022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340319112.

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

Adding to 2144311022111 its reverse (1112201134412), we get a palindrome (3256512156523).

The spelling of 2144311022111 in words is "two trillion, one hundred forty-four billion, three hundred eleven million, twenty-two thousand, one hundred eleven".