2121313200269 has 2 divisors, whose sum is σ = 2121313200270. Its totient is φ = 2121313200268.

The previous prime is 2121313200257. The next prime is 2121313200301. The reversal of 2121313200269 is 9620023131212.

It is an a-pointer prime, because the next prime (2121313200301) can be obtained adding 2121313200269 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1841856122500 + 279457077769 = 1357150^2 + 528637^2 .

It is a cyclic number.

It is not a de Polignac number, because 2121313200269 - 2¹² = 2121313196173 is a prime.

It is a super-3 number, since 3×2121313200269³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2121313200569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060656600134 + 1060656600135.

It is an arithmetic number, because the mean of its divisors is an integer number (1060656600135).

Almost surely, 2^{2121313200269} is an apocalyptic number.

It is an amenable number.

2121313200269 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121313200269 is an equidigital number, since it uses as much as digits as its factorization.

2121313200269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 2121313200269 in words is "two trillion, one hundred twenty-one billion, three hundred thirteen million, two hundred thousand, two hundred sixty-nine".