2102144511 has 8 divisors (see below), whose sum is σ = 2815429120. Its totient is φ = 1395144792.

The previous prime is 2102144507. The next prime is 2102144533. The reversal of 2102144511 is 1154412012.

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

It is not a de Polignac number, because 2102144511 - 2² = 2102144507 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 (2102144581) 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, 1570441 + ... + 1571778.

It is an arithmetic number, because the mean of its divisors is an integer number (351928640).

Almost surely, 2^2102144511 is an apocalyptic number.

2102144511 is a deficient number, since it is larger than the sum of its proper divisors (713284609).

2102144511 is a wasteful number, since it uses less digits than its factorization.

2102144511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142445.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 2102144511 is about 45849.1495122865. The cubic root of 2102144511 is about 1281.0149240078.

Adding to 2102144511 its reverse (1154412012), we get a palindrome (3256556523).

The spelling of 2102144511 in words is "two billion, one hundred two million, one hundred forty-four thousand, five hundred eleven".