1000001320111 has 8 divisors (see below), whose sum is σ = 1004374592144. Its totient is φ = 995629898880.

The previous prime is 1000001320099. The next prime is 1000001320117. The reversal of 1000001320111 is 1110231000001.

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 1000001320111 - 2²³ = 999992931503 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 (1000001320117) 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, 625861 + ... + 1546513.

It is an arithmetic number, because the mean of its divisors is an integer number (125546824018).

Almost surely, 2^{1000001320111} is an apocalyptic number.

1000001320111 is a deficient number, since it is larger than the sum of its proper divisors (4373272033).

1000001320111 is an equidigital number, since it uses as much as digits as its factorization.

1000001320111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925401.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 1000001320111 its reverse (1110231000001), we get a palindrome (2110232320112).

The spelling of 1000001320111 in words is "one trillion, one million, three hundred twenty thousand, one hundred eleven".