2101011330109 has 2 divisors, whose sum is σ = 2101011330110. Its totient is φ = 2101011330108.

The previous prime is 2101011329999. The next prime is 2101011330139. The reversal of 2101011330109 is 9010331101012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1549036627609 + 551974702500 = 1244603^2 + 742950^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101011330109 - 2²³ = 2101002941501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2101011330109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101011330139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050505665054 + 1050505665055.

It is an arithmetic number, because the mean of its divisors is an integer number (1050505665055).

Almost surely, 2^{2101011330109} is an apocalyptic number.

It is an amenable number.

2101011330109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101011330109 is an equidigital number, since it uses as much as digits as its factorization.

2101011330109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 22.

The spelling of 2101011330109 in words is "two trillion, one hundred one billion, eleven million, three hundred thirty thousand, one hundred nine".