2100422052 has 36 divisors (see below), whose sum is σ = 5311221916. Its totient is φ = 699900480.

The previous prime is 2100422033. The next prime is 2100422053. The reversal of 2100422052 is 2502240012.

It can be written as a sum of positive squares in 2 ways, for example, as 788823396 + 1311598656 = 28086^2 + 36216^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2100422053) 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 in 11 ways as a sum of consecutive naturals, for example, 119238 + ... + 135714.

Almost surely, 2^2100422052 is an apocalyptic number.

It is an amenable number.

2100422052 is an abundant number, since it is smaller than the sum of its proper divisors (3210799864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2100422052 is a wasteful number, since it uses less digits than its factorization.

2100422052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20028 (or 20023 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2100422052 is about 45830.3616830590. The cubic root of 2100422052 is about 1280.6649482882.

Adding to 2100422052 its reverse (2502240012), we get a palindrome (4602662064).

The spelling of 2100422052 in words is "two billion, one hundred million, four hundred twenty-two thousand, fifty-two".