1101202021201 has 2 divisors, whose sum is σ = 1101202021202. Its totient is φ = 1101202021200.

The previous prime is 1101202021141. The next prime is 1101202021207. The reversal of 1101202021201 is 1021202021011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 815002700625 + 286199320576 = 902775^2 + 534976^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101202021201 - 2⁹ = 1101202020689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101202021207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550601010600 + 550601010601.

It is an arithmetic number, because the mean of its divisors is an integer number (550601010601).

Almost surely, 2^{1101202021201} is an apocalyptic number.

It is an amenable number.

1101202021201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101202021201 is an equidigital number, since it uses as much as digits as its factorization.

1101202021201 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1101202021201 its reverse (1021202021011), we get a palindrome (2122404042212).

The spelling of 1101202021201 in words is "one trillion, one hundred one billion, two hundred two million, twenty-one thousand, two hundred one".