21450022105301 has 4 divisors (see below), whose sum is σ = 21973193376204. Its totient is φ = 20926850834400.

The previous prime is 21450022105279. The next prime is 21450022105333. The reversal of 21450022105301 is 10350122005412.

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 2721424306276 + 18728597799025 = 1649674^2 + 4327655^2 .

It is a cyclic number.

It is not a de Polignac number, because 21450022105301 - 2¹⁴ = 21450022088917 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 (21450022105381) 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, 261585635390 + ... + 261585635471.

It is an arithmetic number, because the mean of its divisors is an integer number (5493298344051).

Almost surely, 2^{21450022105301} is an apocalyptic number.

It is an amenable number.

21450022105301 is a deficient number, since it is larger than the sum of its proper divisors (523171270903).

21450022105301 is an equidigital number, since it uses as much as digits as its factorization.

21450022105301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523171270902.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 21450022105301 in words is "twenty-one trillion, four hundred fifty billion, twenty-two million, one hundred five thousand, three hundred one".