221301340130 has 32 divisors (see below), whose sum is σ = 454218501744. Its totient is φ = 76904718336.

The previous prime is 221301340123. The next prime is 221301340193. The reversal of 221301340130 is 31043103122.

It can be written as a sum of positive squares in 8 ways, for example, as 95406236641 + 125895103489 = 308879^2 + 354817^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50065967 + ... + 50070386.

Almost surely, 2^221301340130 is an apocalyptic number.

221301340130 is an abundant number, since it is smaller than the sum of its proper divisors (232917161614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221301340130 is a wasteful number, since it uses less digits than its factorization.

221301340130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100136390.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 221301340130 its reverse (31043103122), we get a palindrome (252344443252).

The spelling of 221301340130 in words is "two hundred twenty-one billion, three hundred one million, three hundred forty thousand, one hundred thirty".