2103421112 has 64 divisors (see below), whose sum is σ = 4304724480. Its totient is φ = 957785472.

The previous prime is 2103421081. The next prime is 2103421121. The reversal of 2103421112 is 2111243012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2830613 + ... + 2831355.

It is an arithmetic number, because the mean of its divisors is an integer number (67261320).

Almost surely, 2^2103421112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2103421112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2152362240).

2103421112 is an abundant number, since it is smaller than the sum of its proper divisors (2201303368).

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

2103421112 is a wasteful number, since it uses less digits than its factorization.

2103421112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092 (or 1088 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2103421112 is about 45863.0691515516. The cubic root of 2103421112 is about 1281.2741852837.

Adding to 2103421112 its reverse (2111243012), we get a palindrome (4214664124).

The spelling of 2103421112 in words is "two billion, one hundred three million, four hundred twenty-one thousand, one hundred twelve".