2104111421320 has 16 divisors (see below), whose sum is σ = 4734250698060. Its totient is φ = 841644568512.

The previous prime is 2104111421317. The next prime is 2104111421329. The reversal of 2104111421320 is 231241114012.

It can be written as a sum of positive squares in 2 ways, for example, as 2057463196996 + 46648224324 = 1434386^2 + 215982^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2104111421291 and 2104111421300.

It is not an unprimeable number, because it can be changed into a prime (2104111421329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26301392727 + ... + 26301392806.

Almost surely, 2^{2104111421320} is an apocalyptic number.

2104111421320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2104111421320 is an abundant number, since it is smaller than the sum of its proper divisors (2630139276740).

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

2104111421320 is a wasteful number, since it uses less digits than its factorization.

2104111421320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52602785544 (or 52602785540 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 2104111421320 its reverse (231241114012), we get a palindrome (2335352535332).

The spelling of 2104111421320 in words is "two trillion, one hundred four billion, one hundred eleven million, four hundred twenty-one thousand, three hundred twenty".