2144102540021 has 8 divisors (see below), whose sum is σ = 2310300142080. Its totient is φ = 1978085886192.

The previous prime is 2144102540011. The next prime is 2144102540039. The reversal of 2144102540021 is 1200452014412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2144102540021 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 (2144102540011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45212441 + ... + 45259838.

It is an arithmetic number, because the mean of its divisors is an integer number (288787517760).

Almost surely, 2^{2144102540021} is an apocalyptic number.

It is an amenable number.

2144102540021 is a deficient number, since it is larger than the sum of its proper divisors (166197602059).

2144102540021 is a wasteful number, since it uses less digits than its factorization.

2144102540021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90474115.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 2144102540021 its reverse (1200452014412), we get a palindrome (3344554554433).

The spelling of 2144102540021 in words is "two trillion, one hundred forty-four billion, one hundred two million, five hundred forty thousand, twenty-one".