2106204100 has 288 divisors, whose sum is σ = 6268098816. Its totient is φ = 593049600.

The previous prime is 2106204097. The next prime is 2106204119. The reversal of 2106204100 is 14026012.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 5305102 + ... + 5305498.

It is an arithmetic number, because the mean of its divisors is an integer number (21764232).

Almost surely, 2^2106204100 is an apocalyptic number.

2106204100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2106204100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3134049408).

2106204100 is an abundant number, since it is smaller than the sum of its proper divisors (4161894716).

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

2106204100 is a wasteful number, since it uses less digits than its factorization.

2106204100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2106204100 is about 45893.3993075257. The cubic root of 2106204100 is about 1281.8390110368.

The spelling of 2106204100 in words is "two billion, one hundred six million, two hundred four thousand, one hundred".