1120021989353 has 2 divisors, whose sum is σ = 1120021989354. Its totient is φ = 1120021989352.

The previous prime is 1120021989337. The next prime is 1120021989389. The reversal of 1120021989353 is 3539891200211.

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., 801144934489 + 318877054864 = 895067^2 + 564692^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120021989353 - 2⁴ = 1120021989337 is a prime.

It is not a weakly prime, because it can be changed into another prime (1120021989323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560010994676 + 560010994677.

It is an arithmetic number, because the mean of its divisors is an integer number (560010994677).

Almost surely, 2^{1120021989353} is an apocalyptic number.

It is an amenable number.

1120021989353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120021989353 is an equidigital number, since it uses as much as digits as its factorization.

1120021989353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 1120021989353 in words is "one trillion, one hundred twenty billion, twenty-one million, nine hundred eighty-nine thousand, three hundred fifty-three".