10201021313309 has 4 divisors (see below), whose sum is σ = 10281344315904. Its totient is φ = 10120698310716.

The previous prime is 10201021313297. The next prime is 10201021313333. The reversal of 10201021313309 is 90331312010201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10201021313309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201021313339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40161501107 + ... + 40161501360.

It is an arithmetic number, because the mean of its divisors is an integer number (2570336078976).

Almost surely, 2^{10201021313309} is an apocalyptic number.

It is an amenable number.

10201021313309 is a deficient number, since it is larger than the sum of its proper divisors (80323002595).

10201021313309 is an equidigital number, since it uses as much as digits as its factorization.

10201021313309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80323002594.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 10201021313309 in words is "ten trillion, two hundred one billion, twenty-one million, three hundred thirteen thousand, three hundred nine".