12201121333 has 2 divisors, whose sum is σ = 12201121334. Its totient is φ = 12201121332.

The previous prime is 12201121253. The next prime is 12201121379. The reversal of 12201121333 is 33312110221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10767590289 + 1433531044 = 103767^2 + 37862^2 .

It is a cyclic number.

It is not a de Polignac number, because 12201121333 - 2²¹ = 12199024181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12201121333.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12201121033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100560666 + 6100560667.

It is an arithmetic number, because the mean of its divisors is an integer number (6100560667).

Almost surely, 2^12201121333 is an apocalyptic number.

It is an amenable number.

12201121333 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201121333 is an equidigital number, since it uses as much as digits as its factorization.

12201121333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12201121333 its reverse (33312110221), we get a palindrome (45513231554).

The spelling of 12201121333 in words is "twelve billion, two hundred one million, one hundred twenty-one thousand, three hundred thirty-three".