1101002120089 has 2 divisors, whose sum is σ = 1101002120090. Its totient is φ = 1101002120088.

The previous prime is 1101002120087. The next prime is 1101002120161. The reversal of 1101002120089 is 9800212001011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1100663265625 + 338854464 = 1049125^2 + 18408^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101002120089 - 2¹ = 1101002120087 is a prime.

Together with 1101002120087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1101002120087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550501060044 + 550501060045.

It is an arithmetic number, because the mean of its divisors is an integer number (550501060045).

Almost surely, 2^{1101002120089} is an apocalyptic number.

It is an amenable number.

1101002120089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101002120089 is an equidigital number, since it uses as much as digits as its factorization.

1101002120089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 1101002120089 in words is "one trillion, one hundred one billion, two million, one hundred twenty thousand, eighty-nine".