2100102744 has 64 divisors (see below), whose sum is σ = 5440543200. Its totient is φ = 674745344.

The previous prime is 2100102727. The next prime is 2100102787. The reversal of 2100102744 is 4472010012.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2100102744.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468964 + ... + 473420.

Almost surely, 2^2100102744 is an apocalyptic number.

2100102744 is a gapful number since it is divisible by the number (24) 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 2100102744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2720271600).

2100102744 is an abundant number, since it is smaller than the sum of its proper divisors (3340440456).

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

2100102744 is a wasteful number, since it uses less digits than its factorization.

2100102744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5172 (or 5168 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 2100102744 is about 45826.8779647927. The cubic root of 2100102744 is about 1280.6000490637.

Adding to 2100102744 its reverse (4472010012), we get a palindrome (6572112756).

The spelling of 2100102744 in words is "two billion, one hundred million, one hundred two thousand, seven hundred forty-four".