20110211110207 has 2 divisors, whose sum is σ = 20110211110208. Its totient is φ = 20110211110206.

The previous prime is 20110211110177. The next prime is 20110211110271. The reversal of 20110211110207 is 70201111201102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20110211110207 - 2³¹ = 20108063626559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20110211110907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055105555103 + 10055105555104.

It is an arithmetic number, because the mean of its divisors is an integer number (10055105555104).

Almost surely, 2^{20110211110207} is an apocalyptic number.

20110211110207 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110211110207 is an equidigital number, since it uses as much as digits as its factorization.

20110211110207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 20110211110207 its reverse (70201111201102), we get a palindrome (90311322311309).

The spelling of 20110211110207 in words is "twenty trillion, one hundred ten billion, two hundred eleven million, one hundred ten thousand, two hundred seven".