2100442102 has 16 divisors (see below), whose sum is σ = 3555608400. Its totient is φ = 921823840.

The previous prime is 2100442049. The next prime is 2100442147. The reversal of 2100442102 is 2012440012.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1645477 + ... + 1646752.

It is an arithmetic number, because the mean of its divisors is an integer number (222225525).

Almost surely, 2^2100442102 is an apocalyptic number.

2100442102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2100442102 is a deficient number, since it is larger than the sum of its proper divisors (1455166298).

2100442102 is a wasteful number, since it uses less digits than its factorization.

2100442102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3292271.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2100442102 is about 45830.5804239920. The cubic root of 2100442102 is about 1280.6690232233.

Adding to 2100442102 its reverse (2012440012), we get a palindrome (4112882114).

The spelling of 2100442102 in words is "two billion, one hundred million, four hundred forty-two thousand, one hundred two".