2141021124405 has 12 divisors (see below), whose sum is σ = 3711103282380. Its totient is φ = 1141877932992.

The previous prime is 2141021124331. The next prime is 2141021124419. The reversal of 2141021124405 is 5044211201412.

2141021124405 is a `hidden beast` number, since 2 + 1 + 4 + 1 + 0 + 211 + 2 + 440 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1668173730084 + 472847394321 = 1291578^2 + 687639^2 .

It is not a de Polignac number, because 2141021124405 - 2¹² = 2141021120309 is a prime.

It is a Curzon number.

It is a congruent number.

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, 23789123560 + ... + 23789123649.

It is an arithmetic number, because the mean of its divisors is an integer number (309258606865).

Almost surely, 2^{2141021124405} is an apocalyptic number.

It is an amenable number.

2141021124405 is a deficient number, since it is larger than the sum of its proper divisors (1570082157975).

2141021124405 is a wasteful number, since it uses less digits than its factorization.

2141021124405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47578247220 (or 47578247217 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 2141021124405 its reverse (5044211201412), we get a palindrome (7185232325817).

The spelling of 2141021124405 in words is "two trillion, one hundred forty-one billion, twenty-one million, one hundred twenty-four thousand, four hundred five".