2144205124201 has 6 divisors (see below), whose sum is σ = 2494279430250. Its totient is φ = 1837890106416.

The previous prime is 2144205124189. The next prime is 2144205124253. The reversal of 2144205124201 is 1024215024412.

It can be written as a sum of positive squares in only one way, i.e., 2124933021225 + 19272102976 = 1457715^2 + 138824^2 .

It is not a de Polignac number, because 2144205124201 - 2²¹ = 2144203027049 is a prime.

It is a super-2 number, since 2×2144205124201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2144205124201.

It is not an unprimeable number, because it can be changed into a prime (2144205122201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21879644076 + ... + 21879644173.

It is an arithmetic number, because the mean of its divisors is an integer number (415713238375).

Almost surely, 2^{2144205124201} is an apocalyptic number.

It is an amenable number.

2144205124201 is a deficient number, since it is larger than the sum of its proper divisors (350074306049).

2144205124201 is an equidigital number, since it uses as much as digits as its factorization.

2144205124201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43759288263 (or 43759288256 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The spelling of 2144205124201 in words is "two trillion, one hundred forty-four billion, two hundred five million, one hundred twenty-four thousand, two hundred one".