2101102344 has 96 divisors (see below), whose sum is σ = 6216387840. Its totient is φ = 635817600.

The previous prime is 2101102343. The next prime is 2101102349. The reversal of 2101102344 is 4432011012.

2101102344 is a `hidden beast` number, since 210 + 110 + 2 + 344 = 666.

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 (2101102343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 783534 + ... + 786210.

It is an arithmetic number, because the mean of its divisors is an integer number (64754040).

Almost surely, 2^2101102344 is an apocalyptic number.

2101102344 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 2101102344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3108193920).

2101102344 is an abundant number, since it is smaller than the sum of its proper divisors (4115285496).

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

2101102344 is a wasteful number, since it uses less digits than its factorization.

2101102344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3691 (or 3684 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2101102344 is about 45837.7829306785. The cubic root of 2101102344 is about 1280.8031954366.

Adding to 2101102344 its reverse (4432011012), we get a palindrome (6533113356).

The spelling of 2101102344 in words is "two billion, one hundred one million, one hundred two thousand, three hundred forty-four".