1131222120269 has 2 divisors, whose sum is σ = 1131222120270. Its totient is φ = 1131222120268.

The previous prime is 1131222120263. The next prime is 1131222120331. The reversal of 1131222120269 is 9620212221311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 940919400100 + 190302720169 = 970010^2 + 436237^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131222120269 - 2⁴ = 1131222120253 is a prime.

It is a super-2 number, since 2×1131222120269² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131222120263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565611060134 + 565611060135.

It is an arithmetic number, because the mean of its divisors is an integer number (565611060135).

Almost surely, 2^{1131222120269} is an apocalyptic number.

It is an amenable number.

1131222120269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131222120269 is an equidigital number, since it uses as much as digits as its factorization.

1131222120269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 1131222120269 in words is "one trillion, one hundred thirty-one billion, two hundred twenty-two million, one hundred twenty thousand, two hundred sixty-nine".