121222000201 has 2 divisors, whose sum is σ = 121222000202. Its totient is φ = 121222000200.

The previous prime is 121222000199. The next prime is 121222000223. The reversal of 121222000201 is 102000222121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72927542601 + 48294457600 = 270051^2 + 219760^2 .

It is a cyclic number.

It is not a de Polignac number, because 121222000201 - 2¹ = 121222000199 is a prime.

Together with 121222000199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (121222000231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60611000100 + 60611000101.

It is an arithmetic number, because the mean of its divisors is an integer number (60611000101).

Almost surely, 2^121222000201 is an apocalyptic number.

It is an amenable number.

121222000201 is a deficient number, since it is larger than the sum of its proper divisors (1).

121222000201 is an equidigital number, since it uses as much as digits as its factorization.

121222000201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 121222000201 its reverse (102000222121), we get a palindrome (223222222322).

The spelling of 121222000201 in words is "one hundred twenty-one billion, two hundred twenty-two million, two hundred one", and thus it is an aban number.