2102213313320 has 128 divisors (see below), whose sum is σ = 4981655831040. Its totient is φ = 796831580160.

The previous prime is 2102213313311. The next prime is 2102213313329. The reversal of 2102213313320 is 233133122012.

It is an interprime number because it is at equal distance from previous prime (2102213313311) and next prime (2102213313329).

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (2102213313329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 331733192 + ... + 331739528.

It is an arithmetic number, because the mean of its divisors is an integer number (38919186180).

Almost surely, 2^{2102213313320} is an apocalyptic number.

2102213313320 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 2102213313320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2490827915520).

2102213313320 is an abundant number, since it is smaller than the sum of its proper divisors (2879442517720).

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

2102213313320 is a wasteful number, since it uses less digits than its factorization.

2102213313320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9675 (or 9671 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2102213313320 its reverse (233133122012), we get a palindrome (2335346435332).

The spelling of 2102213313320 in words is "two trillion, one hundred two billion, two hundred thirteen million, three hundred thirteen thousand, three hundred twenty".