2102102422144 has 32 divisors (see below), whose sum is σ = 4289923208340. Its totient is φ = 1025415813120.

The previous prime is 2102102422141. The next prime is 2102102422159. The reversal of 2102102422144 is 4412242012012.

It can be written as a sum of positive squares in 2 ways, for example, as 2099276436544 + 2825985600 = 1448888^2 + 53160^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (2102102422141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200271279 + ... + 200281774.

Almost surely, 2^{2102102422144} is an apocalyptic number.

It is an amenable number.

2102102422144 is an abundant number, since it is smaller than the sum of its proper divisors (2187820786196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102102422144 is an equidigital number, since it uses as much as digits as its factorization.

2102102422144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400553108 (or 400553096 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 2102102422144 its reverse (4412242012012), we get a palindrome (6514344434156).

The spelling of 2102102422144 in words is "two trillion, one hundred two billion, one hundred two million, four hundred twenty-two thousand, one hundred forty-four".