2102144411 has 4 divisors (see below), whose sum is σ = 2122957824. Its totient is φ = 2081331000.

The previous prime is 2102144393. The next prime is 2102144437. The reversal of 2102144411 is 1144412012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102144411 is a prime.

It is a super-2 number, since 2×2102144411² = 8838022249397073842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102144111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10406555 + ... + 10406756.

It is an arithmetic number, because the mean of its divisors is an integer number (530739456).

Almost surely, 2^2102144411 is an apocalyptic number.

2102144411 is a deficient number, since it is larger than the sum of its proper divisors (20813413).

2102144411 is a wasteful number, since it uses less digits than its factorization.

2102144411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20813412.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 2102144411 is about 45849.1484217537. The cubic root of 2102144411 is about 1281.0149036949.

Adding to 2102144411 its reverse (1144412012), we get a palindrome (3246556423).

The spelling of 2102144411 in words is "two billion, one hundred two million, one hundred forty-four thousand, four hundred eleven".