2101144435 has 32 divisors (see below), whose sum is σ = 2759581440. Its totient is φ = 1526473728.

The previous prime is 2101144429. The next prime is 2101144439. The reversal of 2101144435 is 5344411012.

It is not a de Polignac number, because 2101144435 - 2²¹ = 2099047283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2101144439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1914807 + ... + 1915903.

It is an arithmetic number, because the mean of its divisors is an integer number (86236920).

Almost surely, 2^2101144435 is an apocalyptic number.

2101144435 is a deficient number, since it is larger than the sum of its proper divisors (658437005).

2101144435 is a wasteful number, since it uses less digits than its factorization.

2101144435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2101144435 is about 45838.2420583512. The cubic root of 2101144435 is about 1280.8117480784.

Adding to 2101144435 its reverse (5344411012), we get a palindrome (7445555447).

The spelling of 2101144435 in words is "two billion, one hundred one million, one hundred forty-four thousand, four hundred thirty-five".