210101001021089 has 2 divisors, whose sum is σ = 210101001021090. Its totient is φ = 210101001021088.

The previous prime is 210101001020993. The next prime is 210101001021103. The reversal of 210101001021089 is 980120100101012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127646882840464 + 82454118180625 = 11298092^2 + 9080425^2 .

It is a cyclic number.

It is not a de Polignac number, because 210101001021089 - 2²⁸ = 210100732585633 is a prime.

It is not a weakly prime, because it can be changed into another prime (210101001027089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105050500510544 + 105050500510545.

It is an arithmetic number, because the mean of its divisors is an integer number (105050500510545).

Almost surely, 2^{210101001021089} is an apocalyptic number.

It is an amenable number.

210101001021089 is a deficient number, since it is larger than the sum of its proper divisors (1).

210101001021089 is an equidigital number, since it uses as much as digits as its factorization.

210101001021089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 210101001021089 in words is "two hundred ten trillion, one hundred one billion, one million, twenty-one thousand, eighty-nine".