2101010304 has 64 divisors (see below), whose sum is σ = 5605626240. Its totient is φ = 697222656.

The previous prime is 2101010231. The next prime is 2101010323. The reversal of 2101010304 is 4030101012.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2101010304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75117 + ... + 99219.

It is an arithmetic number, because the mean of its divisors is an integer number (87587910).

Almost surely, 2^2101010304 is an apocalyptic number.

2101010304 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 2101010304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2802813120).

2101010304 is an abundant number, since it is smaller than the sum of its proper divisors (3504615936).

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

2101010304 is a wasteful number, since it uses less digits than its factorization.

2101010304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24347 (or 24335 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2101010304 is about 45836.7789444241. The cubic root of 2101010304 is about 1280.7844930559.

Adding to 2101010304 its reverse (4030101012), we get a palindrome (6131111316).

The spelling of 2101010304 in words is "two billion, one hundred one million, ten thousand, three hundred four".