10101453105421 has 4 divisors (see below), whose sum is σ = 10101474017500. Its totient is φ = 10101432193344.

The previous prime is 10101453105391. The next prime is 10101453105461. The reversal of 10101453105421 is 12450135410101.

It is a happy number.

10101453105421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 5524784436196 + 4576668669225 = 2350486^2 + 2139315^2 .

It is a cyclic number.

It is not a de Polignac number, because 10101453105421 - 2⁵ = 10101453105389 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 10101453105421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101453105461) 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, 9713916 + ... + 10703413.

It is an arithmetic number, because the mean of its divisors is an integer number (2525368504375).

Almost surely, 2^{10101453105421} is an apocalyptic number.

It is an amenable number.

10101453105421 is a deficient number, since it is larger than the sum of its proper divisors (20912079).

10101453105421 is an equidigital number, since it uses as much as digits as its factorization.

10101453105421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20912078.

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 10101453105421 its reverse (12450135410101), we get a palindrome (22551588515522).

The spelling of 10101453105421 in words is "ten trillion, one hundred one billion, four hundred fifty-three million, one hundred five thousand, four hundred twenty-one".