2121431114041 has 4 divisors (see below), whose sum is σ = 2121446311972. Its totient is φ = 2121415916112.

The previous prime is 2121431114017. The next prime is 2121431114051. The reversal of 2121431114041 is 1404111341212.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1305351950400 + 816079163641 = 1142520^2 + 903371^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2121431114041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2121431113997 and 2121431114015.

It is not an unprimeable number, because it can be changed into a prime (2121431114051) 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, 7387626 + ... + 7669411.

It is an arithmetic number, because the mean of its divisors is an integer number (530361577993).

Almost surely, 2^{2121431114041} is an apocalyptic number.

It is an amenable number.

2121431114041 is a deficient number, since it is larger than the sum of its proper divisors (15197931).

2121431114041 is a wasteful number, since it uses less digits than its factorization.

2121431114041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15197930.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 2121431114041 its reverse (1404111341212), we get a palindrome (3525542455253).

The spelling of 2121431114041 in words is "two trillion, one hundred twenty-one billion, four hundred thirty-one million, one hundred fourteen thousand, forty-one".