2101042544 has 10 divisors (see below), whose sum is σ = 4070769960. Its totient is φ = 1050521264.

The previous prime is 2101042543. The next prime is 2101042621. The reversal of 2101042544 is 4452401012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101042543) 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 as a sum of consecutive naturals, namely, 65657564 + ... + 65657595.

It is an arithmetic number, because the mean of its divisors is an integer number (407076996).

Almost surely, 2^2101042544 is an apocalyptic number.

It is an amenable number.

2101042544 is a deficient number, since it is larger than the sum of its proper divisors (1969727416).

2101042544 is a wasteful number, since it uses less digits than its factorization.

2101042544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131315167 (or 131315161 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2101042544 is about 45837.1306257274. The cubic root of 2101042544 is about 1280.7910442345.

Adding to 2101042544 its reverse (4452401012), we get a palindrome (6553443556).

The spelling of 2101042544 in words is "two billion, one hundred one million, forty-two thousand, five hundred forty-four".