1011102221009 has 2 divisors, whose sum is σ = 1011102221010. Its totient is φ = 1011102221008.

The previous prime is 1011102220991. The next prime is 1011102221023. The reversal of 1011102221009 is 9001222011101.

1011102221009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 922122313984 + 88979907025 = 960272^2 + 298295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011102221009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011102221089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505551110504 + 505551110505.

It is an arithmetic number, because the mean of its divisors is an integer number (505551110505).

Almost surely, 2^{1011102221009} is an apocalyptic number.

It is an amenable number.

1011102221009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011102221009 is an equidigital number, since it uses as much as digits as its factorization.

1011102221009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 1011102221009 in words is "one trillion, eleven billion, one hundred two million, two hundred twenty-one thousand, nine".