10001321320111 has 8 divisors (see below), whose sum is σ = 10911436357248. Its totient is φ = 9091356951000.

The previous prime is 10001321320099. The next prime is 10001321320129. The reversal of 10001321320111 is 11102312310001.

It is a happy number.

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 10001321320111 - 2⁹ = 10001321319599 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 (10001321320511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37528185 + ... + 37793746.

It is an arithmetic number, because the mean of its divisors is an integer number (1363929544656).

Almost surely, 2^{10001321320111} is an apocalyptic number.

10001321320111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10001321320111 is a deficient number, since it is larger than the sum of its proper divisors (910115037137).

10001321320111 is a wasteful number, since it uses less digits than its factorization.

10001321320111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75334013.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 10001321320111 its reverse (11102312310001), we get a palindrome (21103633630112).

The spelling of 10001321320111 in words is "ten trillion, one billion, three hundred twenty-one million, three hundred twenty thousand, one hundred eleven".