121101202042201 has 2 divisors, whose sum is σ = 121101202042202. Its totient is φ = 121101202042200.

The previous prime is 121101202042147. The next prime is 121101202042217. The reversal of 121101202042201 is 102240202101121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120948085569600 + 153116472601 = 10997640^2 + 391301^2 .

It is a cyclic number.

It is not a de Polignac number, because 121101202042201 - 2⁹ = 121101202041689 is a prime.

It is a super-3 number, since 3×121101202042201³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (121101202042231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550601021100 + 60550601021101.

It is an arithmetic number, because the mean of its divisors is an integer number (60550601021101).

Almost surely, 2^{121101202042201} is an apocalyptic number.

It is an amenable number.

121101202042201 is a deficient number, since it is larger than the sum of its proper divisors (1).

121101202042201 is an equidigital number, since it uses as much as digits as its factorization.

121101202042201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121101202042201 its reverse (102240202101121), we get a palindrome (223341404143322).

The spelling of 121101202042201 in words is "one hundred twenty-one trillion, one hundred one billion, two hundred two million, forty-two thousand, two hundred one".