1101212200201 has 2 divisors, whose sum is σ = 1101212200202. Its totient is φ = 1101212200200.

The previous prime is 1101212200171. The next prime is 1101212200223. The reversal of 1101212200201 is 1020022121011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 919395240201 + 181816960000 = 958851^2 + 426400^2 .

It is an emirp because it is prime and its reverse (1020022121011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1101212200201 - 2¹¹ = 1101212198153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101212200241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550606100100 + 550606100101.

It is an arithmetic number, because the mean of its divisors is an integer number (550606100101).

Almost surely, 2^{1101212200201} is an apocalyptic number.

It is an amenable number.

1101212200201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101212200201 is an equidigital number, since it uses as much as digits as its factorization.

1101212200201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1101212200201 its reverse (1020022121011), we get a palindrome (2121234321212).

The spelling of 1101212200201 in words is "one trillion, one hundred one billion, two hundred twelve million, two hundred thousand, two hundred one".