2103422112 has 72 divisors (see below), whose sum is σ = 6525398880. Its totient is φ = 637399680.

The previous prime is 2103422093. The next prime is 2103422129. The reversal of 2103422112 is 2112243012.

It is a happy number.

2103422112 is a `hidden beast` number, since 210 + 342 + 2 + 112 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 328812 + ... + 335147.

It is an arithmetic number, because the mean of its divisors is an integer number (90630540).

Almost surely, 2^2103422112 is an apocalyptic number.

2103422112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2103422112 is an abundant number, since it is smaller than the sum of its proper divisors (4421976768).

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

2103422112 is a wasteful number, since it uses less digits than its factorization.

2103422112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663986 (or 663975 counting only the distinct ones).

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

The square root of 2103422112 is about 45863.0800535681. The cubic root of 2103422112 is about 1281.2743883297.

Adding to 2103422112 its reverse (2112243012), we get a palindrome (4215665124).

Subtracting 2103422112 from its reverse (2112243012), we obtain a square (8820900 = 2970²).

The spelling of 2103422112 in words is "two billion, one hundred three million, four hundred twenty-two thousand, one hundred twelve".