2124400003311 has 4 divisors (see below), whose sum is σ = 2832533337752. Its totient is φ = 1416266668872.

The previous prime is 2124400003289. The next prime is 2124400003447. The reversal of 2124400003311 is 1133000044212.

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

It is not a de Polignac number, because 2124400003311 - 2⁷ = 2124400003183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124400007311) 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, 354066667216 + ... + 354066667221.

It is an arithmetic number, because the mean of its divisors is an integer number (708133334438).

Almost surely, 2^{2124400003311} is an apocalyptic number.

2124400003311 is a deficient number, since it is larger than the sum of its proper divisors (708133334441).

2124400003311 is an equidigital number, since it uses as much as digits as its factorization.

2124400003311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708133334440.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2124400003311 its reverse (1133000044212), we get a palindrome (3257400047523).

The spelling of 2124400003311 in words is "two trillion, one hundred twenty-four billion, four hundred million, three thousand, three hundred eleven".