112220001200221 has 2 divisors, whose sum is σ = 112220001200222. Its totient is φ = 112220001200220.

The previous prime is 112220001200201. The next prime is 112220001200261. The reversal of 112220001200221 is 122002100022211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93139581283225 + 19080419916996 = 9650885^2 + 4368114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112220001200221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112220001200195 and 112220001200204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112220001200201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56110000600110 + 56110000600111.

It is an arithmetic number, because the mean of its divisors is an integer number (56110000600111).

Almost surely, 2^{112220001200221} is an apocalyptic number.

It is an amenable number.

112220001200221 is a deficient number, since it is larger than the sum of its proper divisors (1).

112220001200221 is an equidigital number, since it uses as much as digits as its factorization.

112220001200221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 112220001200221 its reverse (122002100022211), we get a palindrome (234222101222432).

The spelling of 112220001200221 in words is "one hundred twelve trillion, two hundred twenty billion, one million, two hundred thousand, two hundred twenty-one".