11021010100109 has 2 divisors, whose sum is σ = 11021010100110. Its totient is φ = 11021010100108.

The previous prime is 11021010100027. The next prime is 11021010100123. The reversal of 11021010100109 is 90100101012011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10715114826025 + 305895274084 = 3273395^2 + 553078^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11021010100109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11021010100169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510505050054 + 5510505050055.

It is an arithmetic number, because the mean of its divisors is an integer number (5510505050055).

Almost surely, 2^{11021010100109} is an apocalyptic number.

It is an amenable number.

11021010100109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021010100109 is an equidigital number, since it uses as much as digits as its factorization.

11021010100109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 17.

The spelling of 11021010100109 in words is "eleven trillion, twenty-one billion, ten million, one hundred thousand, one hundred nine".