221120010113 has 2 divisors, whose sum is σ = 221120010114. Its totient is φ = 221120010112.

The previous prime is 221120010053. The next prime is 221120010119. The reversal of 221120010113 is 311010021122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218919180544 + 2200829569 = 467888^2 + 46913^2 .

It is a cyclic number.

It is not a de Polignac number, because 221120010113 - 2¹² = 221120006017 is a prime.

It is not a weakly prime, because it can be changed into another prime (221120010119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110560005056 + 110560005057.

It is an arithmetic number, because the mean of its divisors is an integer number (110560005057).

Almost surely, 2^221120010113 is an apocalyptic number.

It is an amenable number.

221120010113 is a deficient number, since it is larger than the sum of its proper divisors (1).

221120010113 is an equidigital number, since it uses as much as digits as its factorization.

221120010113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 221120010113 its reverse (311010021122), we get a palindrome (532130031235).

The spelling of 221120010113 in words is "two hundred twenty-one billion, one hundred twenty million, ten thousand, one hundred thirteen".