2142102211444 has 12 divisors (see below), whose sum is σ = 4037038783204. Its totient is φ = 988662559104.

The previous prime is 2142102211439. The next prime is 2142102211481. The reversal of 2142102211444 is 4441122012412.

It can be written as a sum of positive squares in 2 ways, for example, as 491036547600 + 1651065663844 = 700740^2 + 1284938^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20597136597 + ... + 20597136700.

Almost surely, 2^{2142102211444} is an apocalyptic number.

It is an amenable number.

2142102211444 is a deficient number, since it is larger than the sum of its proper divisors (1894936571760).

2142102211444 is a wasteful number, since it uses less digits than its factorization.

2142102211444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41194273314 (or 41194273312 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 2142102211444 its reverse (4441122012412), we get a palindrome (6583224223856).

The spelling of 2142102211444 in words is "two trillion, one hundred forty-two billion, one hundred two million, two hundred eleven thousand, four hundred forty-four".