121041202013453 has 2 divisors, whose sum is σ = 121041202013454. Its totient is φ = 121041202013452.

The previous prime is 121041202013443. The next prime is 121041202013471. The reversal of 121041202013453 is 354310202140121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103433334167524 + 17607867845929 = 10170218^2 + 4196173^2 .

It is a cyclic number.

It is not a de Polignac number, because 121041202013453 - 2¹⁰ = 121041202012429 is a prime.

It is a super-3 number, since 3×121041202013453³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121041202013443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60520601006726 + 60520601006727.

It is an arithmetic number, because the mean of its divisors is an integer number (60520601006727).

Almost surely, 2^{121041202013453} is an apocalyptic number.

It is an amenable number.

121041202013453 is a deficient number, since it is larger than the sum of its proper divisors (1).

121041202013453 is an equidigital number, since it uses as much as digits as its factorization.

121041202013453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 121041202013453 its reverse (354310202140121), we get a palindrome (475351404153574).

The spelling of 121041202013453 in words is "one hundred twenty-one trillion, forty-one billion, two hundred two million, thirteen thousand, four hundred fifty-three".