221320301311202 has 8 divisors (see below), whose sum is σ = 333814598110812. Its totient is φ = 110048768607600.

The previous prime is 221320301311201. The next prime is 221320301311229. The reversal of 221320301311202 is 202113103023122.

It can be written as a sum of positive squares in 2 ways, for example, as 169519332361681 + 51800968949521 = 13019959^2 + 7197289^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (221320301311201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305691023549 + ... + 305691024272.

Almost surely, 2^{221320301311202} is an apocalyptic number.

221320301311202 is a deficient number, since it is larger than the sum of its proper divisors (112494296799610).

221320301311202 is a wasteful number, since it uses less digits than its factorization.

221320301311202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611382048004.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 221320301311202 its reverse (202113103023122), we get a palindrome (423433404334324).

The spelling of 221320301311202 in words is "two hundred twenty-one trillion, three hundred twenty billion, three hundred one million, three hundred eleven thousand, two hundred two".