221300131202 has 16 divisors (see below), whose sum is σ = 332413299960. Its totient is φ = 110495757312.

The previous prime is 221300131201. The next prime is 221300131223. The reversal of 221300131202 is 202131003122.

It can be written as a sum of positive squares in 4 ways, for example, as 38322369121 + 182977762081 = 195761^2 + 427759^2 .

It is not an unprimeable number, because it can be changed into a prime (221300131201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9489068 + ... + 9512360.

Almost surely, 2^221300131202 is an apocalyptic number.

221300131202 is a deficient number, since it is larger than the sum of its proper divisors (111113168758).

221300131202 is a wasteful number, since it uses less digits than its factorization.

221300131202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29717.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 221300131202 its reverse (202131003122), we get a palindrome (423431134324).

The spelling of 221300131202 in words is "two hundred twenty-one billion, three hundred million, one hundred thirty-one thousand, two hundred two".