1121020089653 has 2 divisors, whose sum is σ = 1121020089654. Its totient is φ = 1121020089652.

The previous prime is 1121020089647. The next prime is 1121020089713. The reversal of 1121020089653 is 3569800201211.

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., 763005744004 + 358014345649 = 873502^2 + 598343^2 .

It is an emirp because it is prime and its reverse (3569800201211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121020089653 - 2⁶ = 1121020089589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121020088653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560510044826 + 560510044827.

It is an arithmetic number, because the mean of its divisors is an integer number (560510044827).

Almost surely, 2^{1121020089653} is an apocalyptic number.

It is an amenable number.

1121020089653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121020089653 is an equidigital number, since it uses as much as digits as its factorization.

1121020089653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 1121020089653 in words is "one trillion, one hundred twenty-one billion, twenty million, eighty-nine thousand, six hundred fifty-three".