2102231213320 has 64 divisors (see below), whose sum is σ = 5405878615680. Its totient is φ = 720746159616.

The previous prime is 2102231213293. The next prime is 2102231213321. The reversal of 2102231213320 is 233121322012.

It is a junction number, because it is equal to n+sod(n) for n = 2102231213291 and 2102231213300.

It is not an unprimeable number, because it can be changed into a prime (2102231213321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14529172 + ... + 14673148.

It is an arithmetic number, because the mean of its divisors is an integer number (84466853370).

Almost surely, 2^{2102231213320} is an apocalyptic number.

2102231213320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102231213320 is an abundant number, since it is smaller than the sum of its proper divisors (3303647402360).

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

2102231213320 is a wasteful number, since it uses less digits than its factorization.

2102231213320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196142 (or 196138 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2102231213320 its reverse (233121322012), we get a palindrome (2335352535332).

The spelling of 2102231213320 in words is "two trillion, one hundred two billion, two hundred thirty-one million, two hundred thirteen thousand, three hundred twenty".