112220001200261 has 2 divisors, whose sum is σ = 112220001200262. Its totient is φ = 112220001200260.

The previous prime is 112220001200221. The next prime is 112220001200267. The reversal of 112220001200261 is 162002100022211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77437360022500 + 34782641177761 = 8799850^2 + 5897681^2 .

It is an emirp because it is prime and its reverse (162002100022211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112220001200261 - 2³⁴ = 112202821331077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112220001200267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56110000600130 + 56110000600131.

It is an arithmetic number, because the mean of its divisors is an integer number (56110000600131).

Almost surely, 2^{112220001200261} is an apocalyptic number.

It is an amenable number.

112220001200261 is a deficient number, since it is larger than the sum of its proper divisors (1).

112220001200261 is an equidigital number, since it uses as much as digits as its factorization.

112220001200261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 112220001200261 its reverse (162002100022211), we get a palindrome (274222101222472).

The spelling of 112220001200261 in words is "one hundred twelve trillion, two hundred twenty billion, one million, two hundred thousand, two hundred sixty-one".