10105223421 has 8 divisors (see below), whose sum is σ = 13482213984. Its totient is φ = 6732524240.

The previous prime is 10105223389. The next prime is 10105223423. The reversal of 10105223421 is 12432250101.

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 10105223421 - 2⁵ = 10105223389 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10105223423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1067346 + ... + 1076771.

It is an arithmetic number, because the mean of its divisors is an integer number (1685276748).

Almost surely, 2^10105223421 is an apocalyptic number.

It is an amenable number.

10105223421 is a deficient number, since it is larger than the sum of its proper divisors (3376990563).

10105223421 is a wasteful number, since it uses less digits than its factorization.

10105223421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145691.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 10105223421 its reverse (12432250101), we get a palindrome (22537473522).

The spelling of 10105223421 in words is "ten billion, one hundred five million, two hundred twenty-three thousand, four hundred twenty-one".