2100421403441 has 8 divisors (see below), whose sum is σ = 2102479579200. Its totient is φ = 2098363473360.

The previous prime is 2100421403413. The next prime is 2100421403527. The reversal of 2100421403441 is 1443041240012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2100421403441 - 2³⁰ = 2099347661617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2100421403441.

It is not an unprimeable number, because it can be changed into a prime (2100421403411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20327255 + ... + 20430323.

It is an arithmetic number, because the mean of its divisors is an integer number (262809947400).

Almost surely, 2^{2100421403441} is an apocalyptic number.

It is an amenable number.

2100421403441 is a deficient number, since it is larger than the sum of its proper divisors (2058175759).

2100421403441 is a wasteful number, since it uses less digits than its factorization.

2100421403441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122839.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 2100421403441 its reverse (1443041240012), we get a palindrome (3543462643453).

The spelling of 2100421403441 in words is "two trillion, one hundred billion, four hundred twenty-one million, four hundred three thousand, four hundred forty-one".