10721101009 has 8 divisors (see below), whose sum is σ = 10758720672. Its totient is φ = 10683547680.

The previous prime is 10721100991. The next prime is 10721101037. The reversal of 10721101009 is 90010112701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10721101009 - 2¹⁷ = 10720969937 is a prime.

It is a super-2 number, since 2×10721101009² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10721101409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319002 + ... + 351004.

It is an arithmetic number, because the mean of its divisors is an integer number (1344840084).

Almost surely, 2^10721101009 is an apocalyptic number.

It is an amenable number.

10721101009 is a deficient number, since it is larger than the sum of its proper divisors (37619663).

10721101009 is an equidigital number, since it uses as much as digits as its factorization.

10721101009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33167.

The product of its (nonzero) digits is 126, while the sum is 22.

The spelling of 10721101009 in words is "ten billion, seven hundred twenty-one million, one hundred one thousand, nine".