12211121000201 has 4 divisors (see below), whose sum is σ = 12211245687504. Its totient is φ = 12210996312900.

The previous prime is 12211121000189. The next prime is 12211121000227. The reversal of 12211121000201 is 10200012111221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12211121000201 - 2¹⁰ = 12211120999177 is a prime.

It is a super-2 number, since 2×12211121000201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12211121080201) 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, 62196635 + ... + 62392656.

It is an arithmetic number, because the mean of its divisors is an integer number (3052811421876).

Almost surely, 2^{12211121000201} is an apocalyptic number.

It is an amenable number.

12211121000201 is a deficient number, since it is larger than the sum of its proper divisors (124687303).

12211121000201 is an equidigital number, since it uses as much as digits as its factorization.

12211121000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124687302.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12211121000201 its reverse (10200012111221), we get a palindrome (22411133111422).

The spelling of 12211121000201 in words is "twelve trillion, two hundred eleven billion, one hundred twenty-one million, two hundred one", and thus it is an aban number.