2102220021089 has 2 divisors, whose sum is σ = 2102220021090. Its totient is φ = 2102220021088.

The previous prime is 2102220021079. The next prime is 2102220021101. The reversal of 2102220021089 is 9801200222012.

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., 1850777947489 + 251442073600 = 1360433^2 + 501440^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102220021089 - 2¹² = 2102220016993 is a prime.

It is not a weakly prime, because it can be changed into another prime (2102220021059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051110010544 + 1051110010545.

It is an arithmetic number, because the mean of its divisors is an integer number (1051110010545).

Almost surely, 2^{2102220021089} is an apocalyptic number.

It is an amenable number.

2102220021089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102220021089 is an equidigital number, since it uses as much as digits as its factorization.

2102220021089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 2102220021089 in words is "two trillion, one hundred two billion, two hundred twenty million, twenty-one thousand, eighty-nine".