201124122211 has 4 divisors (see below), whose sum is σ = 208059436800. Its totient is φ = 194188807624.

The previous prime is 201124122203. The next prime is 201124122217. The reversal of 201124122211 is 112221421102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201124122211 - 2³ = 201124122203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201124122217) 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 in 3 ways as a sum of consecutive naturals, for example, 3467657251 + ... + 3467657308.

It is an arithmetic number, because the mean of its divisors is an integer number (52014859200).

Almost surely, 2^201124122211 is an apocalyptic number.

201124122211 is a deficient number, since it is larger than the sum of its proper divisors (6935314589).

201124122211 is an equidigital number, since it uses as much as digits as its factorization.

201124122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6935314588.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201124122211 its reverse (112221421102), we get a palindrome (313345543313).

The spelling of 201124122211 in words is "two hundred one billion, one hundred twenty-four million, one hundred twenty-two thousand, two hundred eleven".