22061325610321 has 4 divisors (see below), whose sum is σ = 22061552217012. Its totient is φ = 22061099003632.

The previous prime is 22061325610309. The next prime is 22061325610333. The reversal of 22061325610321 is 12301652316022.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22061325610309) and next prime (22061325610333).

It can be written as a sum of positive squares in 2 ways, for example, as 21265240530625 + 796085079696 = 4611425^2 + 892236^2 .

It is a cyclic number.

It is not a de Polignac number, because 22061325610321 - 2⁹ = 22061325609809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22061325610421) 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, 113157250 + ... + 113352043.

It is an arithmetic number, because the mean of its divisors is an integer number (5515388054253).

Almost surely, 2^{22061325610321} is an apocalyptic number.

It is an amenable number.

22061325610321 is a deficient number, since it is larger than the sum of its proper divisors (226606691).

22061325610321 is an equidigital number, since it uses as much as digits as its factorization.

22061325610321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226606690.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 22061325610321 its reverse (12301652316022), we get a palindrome (34362977926343).

The spelling of 22061325610321 in words is "twenty-two trillion, sixty-one billion, three hundred twenty-five million, six hundred ten thousand, three hundred twenty-one".