10205324011421 has 32 divisors (see below), whose sum is σ = 13279296854016. Its totient is φ = 7604974872000.

The previous prime is 10205324011411. The next prime is 10205324011447. The reversal of 10205324011421 is 12411042350201.

It is a happy number.

10205324011421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10205324011421 - 2⁶ = 10205324011357 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 (10205324011411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8600651 + ... + 9715031.

It is an arithmetic number, because the mean of its divisors is an integer number (414978026688).

Almost surely, 2^{10205324011421} is an apocalyptic number.

10205324011421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10205324011421 is a deficient number, since it is larger than the sum of its proper divisors (3073972842595).

10205324011421 is a wasteful number, since it uses less digits than its factorization.

10205324011421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119593.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 10205324011421 its reverse (12411042350201), we get a palindrome (22616366361622).

The spelling of 10205324011421 in words is "ten trillion, two hundred five billion, three hundred twenty-four million, eleven thousand, four hundred twenty-one".