12101021201 has 2 divisors, whose sum is σ = 12101021202. Its totient is φ = 12101021200.

The previous prime is 12101021183. The next prime is 12101021237. The reversal of 12101021201 is 10212010121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11151148801 + 949872400 = 105599^2 + 30820^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12101021201 is a prime.

It is not a weakly prime, because it can be changed into another prime (12101027201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050510600 + 6050510601.

It is an arithmetic number, because the mean of its divisors is an integer number (6050510601).

Almost surely, 2^12101021201 is an apocalyptic number.

It is an amenable number.

12101021201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101021201 is an equidigital number, since it uses as much as digits as its factorization.

12101021201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12101021201 its reverse (10212010121), we get a palindrome (22313031322).

The spelling of 12101021201 in words is "twelve billion, one hundred one million, twenty-one thousand, two hundred one".