211000122122201 has 16 divisors (see below), whose sum is σ = 222477942435840. Its totient is φ = 199559681537040.

The previous prime is 211000122122171. The next prime is 211000122122297. The reversal of 211000122122201 is 102221221000112.

It is a cyclic number.

It is not a de Polignac number, because 211000122122201 - 2²² = 211000117927897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211000122122201.

It is not an unprimeable number, because it can be changed into a prime (211000122172201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59302196 + ... + 62759466.

It is an arithmetic number, because the mean of its divisors is an integer number (13904871402240).

Almost surely, 2^{211000122122201} is an apocalyptic number.

It is an amenable number.

211000122122201 is a deficient number, since it is larger than the sum of its proper divisors (11477820313639).

211000122122201 is a wasteful number, since it uses less digits than its factorization.

211000122122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3462676.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211000122122201 its reverse (102221221000112), we get a palindrome (313221343122313).

The spelling of 211000122122201 in words is "two hundred eleven trillion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred one".