100111011220009 has 2 divisors, whose sum is σ = 100111011220010. Its totient is φ = 100111011220008.

The previous prime is 100111011219953. The next prime is 100111011220061. The reversal of 100111011220009 is 900022110111001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89412531872400 + 10698479347609 = 9455820^2 + 3270853^2 .

It is a cyclic number.

It is not a de Polignac number, because 100111011220009 - 2²³ = 100111002831401 is a prime.

It is not a weakly prime, because it can be changed into another prime (100111011220079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50055505610004 + 50055505610005.

It is an arithmetic number, because the mean of its divisors is an integer number (50055505610005).

Almost surely, 2^{100111011220009} is an apocalyptic number.

It is an amenable number.

100111011220009 is a deficient number, since it is larger than the sum of its proper divisors (1).

100111011220009 is an equidigital number, since it uses as much as digits as its factorization.

100111011220009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 100111011220009 in words is "one hundred trillion, one hundred eleven billion, eleven million, two hundred twenty thousand, nine".