2011010121089 has 2 divisors, whose sum is σ = 2011010121090. Its totient is φ = 2011010121088.

The previous prime is 2011010121079. The next prime is 2011010121209. The reversal of 2011010121089 is 9801210101102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2007506428225 + 3503692864 = 1416865^2 + 59192^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011010121089 - 2⁴ = 2011010121073 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011010121059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005505060544 + 1005505060545.

It is an arithmetic number, because the mean of its divisors is an integer number (1005505060545).

Almost surely, 2^{2011010121089} is an apocalyptic number.

It is an amenable number.

2011010121089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011010121089 is an equidigital number, since it uses as much as digits as its factorization.

2011010121089 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 26.

The spelling of 2011010121089 in words is "two trillion, eleven billion, ten million, one hundred twenty-one thousand, eighty-nine".