1112121100201 has 2 divisors, whose sum is σ = 1112121100202. Its totient is φ = 1112121100200.

The previous prime is 1112121100193. The next prime is 1112121100213. The reversal of 1112121100201 is 1020011212111.

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., 1106123372176 + 5997728025 = 1051724^2 + 77445^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112121100201 - 2³ = 1112121100193 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112121100271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556060550100 + 556060550101.

It is an arithmetic number, because the mean of its divisors is an integer number (556060550101).

Almost surely, 2^{1112121100201} is an apocalyptic number.

It is an amenable number.

1112121100201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112121100201 is an equidigital number, since it uses as much as digits as its factorization.

1112121100201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1112121100201 its reverse (1020011212111), we get a palindrome (2132132312312).

The spelling of 1112121100201 in words is "one trillion, one hundred twelve billion, one hundred twenty-one million, one hundred thousand, two hundred one".