1101020210201 has 2 divisors, whose sum is σ = 1101020210202. Its totient is φ = 1101020210200.

The previous prime is 1101020210161. The next prime is 1101020210203. The reversal of 1101020210201 is 1020120201011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 641032416025 + 459987794176 = 800645^2 + 678224^2 .

It is an emirp because it is prime and its reverse (1020120201011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1101020210201 - 2³⁸ = 826142303257 is a prime.

It is a Sophie Germain prime.

Together with 1101020210203, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1101020210203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550510105100 + 550510105101.

It is an arithmetic number, because the mean of its divisors is an integer number (550510105101).

Almost surely, 2^{1101020210201} is an apocalyptic number.

It is an amenable number.

1101020210201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101020210201 is an equidigital number, since it uses as much as digits as its factorization.

1101020210201 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 1101020210201 its reverse (1020120201011), we get a palindrome (2121140411212).

The spelling of 1101020210201 in words is "one trillion, one hundred one billion, twenty million, two hundred ten thousand, two hundred one".