12101222021201 has 2 divisors, whose sum is σ = 12101222021202. Its totient is φ = 12101222021200.

The previous prime is 12101222021113. The next prime is 12101222021209. The reversal of 12101222021201 is 10212022210121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10708765380625 + 1392456640576 = 3272425^2 + 1180024^2 .

It is a cyclic number.

It is not a de Polignac number, because 12101222021201 - 2²² = 12101217826897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12101222021201.

It is not a weakly prime, because it can be changed into another prime (12101222021209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050611010600 + 6050611010601.

It is an arithmetic number, because the mean of its divisors is an integer number (6050611010601).

Almost surely, 2^{12101222021201} is an apocalyptic number.

It is an amenable number.

12101222021201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101222021201 is an equidigital number, since it uses as much as digits as its factorization.

12101222021201 is an odious number, because the sum of its binary digits is odd.

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

Adding to 12101222021201 its reverse (10212022210121), we get a palindrome (22313244231322).

It can be divided in two parts, 1210122 and 2021201, that added together give a palindrome (3231323).

The spelling of 12101222021201 in words is "twelve trillion, one hundred one billion, two hundred twenty-two million, twenty-one thousand, two hundred one".