1121201022089 has 2 divisors, whose sum is σ = 1121201022090. Its totient is φ = 1121201022088.

The previous prime is 1121201022047. The next prime is 1121201022101. The reversal of 1121201022089 is 9802201021211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1078498866064 + 42702156025 = 1038508^2 + 206645^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121201022089 - 2¹⁶ = 1121200956553 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121201022589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560600511044 + 560600511045.

It is an arithmetic number, because the mean of its divisors is an integer number (560600511045).

Almost surely, 2^{1121201022089} is an apocalyptic number.

It is an amenable number.

1121201022089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121201022089 is an equidigital number, since it uses as much as digits as its factorization.

1121201022089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 29.

The spelling of 1121201022089 in words is "one trillion, one hundred twenty-one billion, two hundred one million, twenty-two thousand, eighty-nine".