13101121231009 has 12 divisors (see below), whose sum is σ = 15273427921284. Its totient is φ = 11204960183424.

The previous prime is 13101121230997. The next prime is 13101121231013. The reversal of 13101121231009 is 90013212110131.

It can be written as a sum of positive squares in 2 ways, for example, as 9901387342609 + 3199733888400 = 3146647^2 + 1788780^2 .

It is not a de Polignac number, because 13101121231009 - 2¹¹ = 13101121228961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13101121231909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292504764 + ... + 292549549.

It is an arithmetic number, because the mean of its divisors is an integer number (1272785660107).

Almost surely, 2^{13101121231009} is an apocalyptic number.

It is an amenable number.

13101121231009 is a deficient number, since it is larger than the sum of its proper divisors (2172306690275).

13101121231009 is an equidigital number, since it uses as much as digits as its factorization.

13101121231009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585054784 (or 585054777 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 13101121231009 in words is "thirteen trillion, one hundred one billion, one hundred twenty-one million, two hundred thirty-one thousand, nine".