221632571341 has 2 divisors, whose sum is σ = 221632571342. Its totient is φ = 221632571340.

The previous prime is 221632571327. The next prime is 221632571351. The reversal of 221632571341 is 143175236122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214689515716 + 6943055625 = 463346^2 + 83325^2 .

It is a cyclic number.

It is not a de Polignac number, because 221632571341 - 2²⁷ = 221498353613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221632571341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221632571351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110816285670 + 110816285671.

It is an arithmetic number, because the mean of its divisors is an integer number (110816285671).

Almost surely, 2^221632571341 is an apocalyptic number.

It is an amenable number.

221632571341 is a deficient number, since it is larger than the sum of its proper divisors (1).

221632571341 is an equidigital number, since it uses as much as digits as its factorization.

221632571341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The spelling of 221632571341 in words is "two hundred twenty-one billion, six hundred thirty-two million, five hundred seventy-one thousand, three hundred forty-one".