201220122007 has 2 divisors, whose sum is σ = 201220122008. Its totient is φ = 201220122006.

The previous prime is 201220121989. The next prime is 201220122029. The reversal of 201220122007 is 700221022102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201220122007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201220122097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100610061003 + 100610061004.

It is an arithmetic number, because the mean of its divisors is an integer number (100610061004).

Almost surely, 2^201220122007 is an apocalyptic number.

201220122007 is a deficient number, since it is larger than the sum of its proper divisors (1).

201220122007 is an equidigital number, since it uses as much as digits as its factorization.

201220122007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 201220122007 its reverse (700221022102), we get a palindrome (901441144109).

The spelling of 201220122007 in words is "two hundred one billion, two hundred twenty million, one hundred twenty-two thousand, seven".