112220201 has 2 divisors, whose sum is σ = 112220202. Its totient is φ = 112220200.

The previous prime is 112220131. The next prime is 112220231. The reversal of 112220201 is 102022211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71910400 + 40309801 = 8480^2 + 6349^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112220201 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (112220231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56110100 + 56110101.

It is an arithmetic number, because the mean of its divisors is an integer number (56110101).

Almost surely, 2^112220201 is an apocalyptic number.

It is an amenable number.

112220201 is a deficient number, since it is larger than the sum of its proper divisors (1).

112220201 is an equidigital number, since it uses as much as digits as its factorization.

112220201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 112220201 is about 10593.4036551054. The cubic root of 112220201 is about 482.3441482554.

Adding to 112220201 its reverse (102022211), we get a palindrome (214242412).

The spelling of 112220201 in words is "one hundred twelve million, two hundred twenty thousand, two hundred one".