2102042252 has 6 divisors (see below), whose sum is σ = 3678573948. Its totient is φ = 1051021124.

The previous prime is 2102042251. The next prime is 2102042273. The reversal of 2102042252 is 2522402012.

It is not an unprimeable number, because it can be changed into a prime (2102042251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262755278 + ... + 262755285.

It is an arithmetic number, because the mean of its divisors is an integer number (613095658).

Almost surely, 2^2102042252 is an apocalyptic number.

It is an amenable number.

2102042252 is a deficient number, since it is larger than the sum of its proper divisors (1576531696).

2102042252 is a wasteful number, since it uses less digits than its factorization.

2102042252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525510567 (or 525510565 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2102042252 is about 45848.0343308195. The cubic root of 2102042252 is about 1280.9941519773.

Adding to 2102042252 its reverse (2522402012), we get a palindrome (4624444264).

The spelling of 2102042252 in words is "two billion, one hundred two million, forty-two thousand, two hundred fifty-two".