2112403401 has 16 divisors (see below), whose sum is σ = 3143161600. Its totient is φ = 1402115184.

The previous prime is 2112403399. The next prime is 2112403417. The reversal of 2112403401 is 1043042112.

2112403401 is a `hidden beast` number, since 21 + 1 + 240 + 3 + 401 = 666.

It is not a de Polignac number, because 2112403401 - 2¹ = 2112403399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112403481) 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, 164641 + ... + 177006.

It is an arithmetic number, because the mean of its divisors is an integer number (196447600).

Almost surely, 2^2112403401 is an apocalyptic number.

It is an amenable number.

2112403401 is a deficient number, since it is larger than the sum of its proper divisors (1030758199).

2112403401 is a wasteful number, since it uses less digits than its factorization.

2112403401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341885 (or 341879 counting only the distinct ones).

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

The square root of 2112403401 is about 45960.8899065281. The cubic root of 2112403401 is about 1283.0954138281.

Adding to 2112403401 its reverse (1043042112), we get a palindrome (3155445513).

The spelling of 2112403401 in words is "two billion, one hundred twelve million, four hundred three thousand, four hundred one".