100001102211509 has 2 divisors, whose sum is σ = 100001102211510. Its totient is φ = 100001102211508.

The previous prime is 100001102211497. The next prime is 100001102211581. The reversal of 100001102211509 is 905112201100001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84254316370225 + 15746785841284 = 9179015^2 + 3968222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100001102211509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100001102211589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000551105754 + 50000551105755.

It is an arithmetic number, because the mean of its divisors is an integer number (50000551105755).

Almost surely, 2^{100001102211509} is an apocalyptic number.

It is an amenable number.

100001102211509 is a deficient number, since it is larger than the sum of its proper divisors (1).

100001102211509 is an equidigital number, since it uses as much as digits as its factorization.

100001102211509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 23.

The spelling of 100001102211509 in words is "one hundred trillion, one billion, one hundred two million, two hundred eleven thousand, five hundred nine".