201121101112207 has 2 divisors, whose sum is σ = 201121101112208. Its totient is φ = 201121101112206.

The previous prime is 201121101112201. The next prime is 201121101112247. The reversal of 201121101112207 is 702211101121102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201121101112207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201121101112201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100560550556103 + 100560550556104.

It is an arithmetic number, because the mean of its divisors is an integer number (100560550556104).

Almost surely, 2^{201121101112207} is an apocalyptic number.

201121101112207 is a deficient number, since it is larger than the sum of its proper divisors (1).

201121101112207 is an equidigital number, since it uses as much as digits as its factorization.

201121101112207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 22.

Adding to 201121101112207 its reverse (702211101121102), we get a palindrome (903332202233309).

The spelling of 201121101112207 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred one million, one hundred twelve thousand, two hundred seven".