2163444501101 has 8 divisors (see below), whose sum is σ = 2351238203160. Its totient is φ = 1978704355392.

The previous prime is 2163444501079. The next prime is 2163444501107. The reversal of 2163444501101 is 1011054443612.

It can be written as a sum of positive squares in 4 ways, for example, as 300967446025 + 1862477055076 = 548605^2 + 1364726^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2163444501101 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 (2163444501107) 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, 763387610 + ... + 763390443.

It is an arithmetic number, because the mean of its divisors is an integer number (293904775395).

Almost surely, 2^{2163444501101} is an apocalyptic number.

It is an amenable number.

2163444501101 is a deficient number, since it is larger than the sum of its proper divisors (187793702059).

2163444501101 is a wasteful number, since it uses less digits than its factorization.

2163444501101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526778175.

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 2163444501101 its reverse (1011054443612), we get a palindrome (3174498944713).

The spelling of 2163444501101 in words is "two trillion, one hundred sixty-three billion, four hundred forty-four million, five hundred one thousand, one hundred one".