2112404240203 has 4 divisors (see below), whose sum is σ = 2223583410760. Its totient is φ = 2001225069648.

The previous prime is 2112404240179. The next prime is 2112404240213. The reversal of 2112404240203 is 3020424042112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2112404240203 - 2³⁷ = 1974965286731 is a prime.

It is a super-2 number, since 2×2112404240203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112404240213) 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, 55589585250 + ... + 55589585287.

It is an arithmetic number, because the mean of its divisors is an integer number (555895852690).

Almost surely, 2^{2112404240203} is an apocalyptic number.

2112404240203 is a deficient number, since it is larger than the sum of its proper divisors (111179170557).

2112404240203 is a wasteful number, since it uses less digits than its factorization.

2112404240203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111179170556.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 2112404240203 its reverse (3020424042112), we get a palindrome (5132828282315).

The spelling of 2112404240203 in words is "two trillion, one hundred twelve billion, four hundred four million, two hundred forty thousand, two hundred three".