221112110022113 has 2 divisors, whose sum is σ = 221112110022114. Its totient is φ = 221112110022112.

The previous prime is 221112110022079. The next prime is 221112110022187. The reversal of 221112110022113 is 311220011211122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217939319021824 + 3172791000289 = 14762768^2 + 1781233^2 .

It is a cyclic number.

It is not a de Polignac number, because 221112110022113 - 2¹² = 221112110018017 is a prime.

It is not a weakly prime, because it can be changed into another prime (221112110022313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110556055011056 + 110556055011057.

It is an arithmetic number, because the mean of its divisors is an integer number (110556055011057).

Almost surely, 2^{221112110022113} is an apocalyptic number.

It is an amenable number.

221112110022113 is a deficient number, since it is larger than the sum of its proper divisors (1).

221112110022113 is an equidigital number, since it uses as much as digits as its factorization.

221112110022113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 221112110022113 its reverse (311220011211122), we get a palindrome (532332121233235).

The spelling of 221112110022113 in words is "two hundred twenty-one trillion, one hundred twelve billion, one hundred ten million, twenty-two thousand, one hundred thirteen".