10000111121111 has 8 divisors (see below), whose sum is σ = 10068023498400. Its totient is φ = 9932209377952.

The previous prime is 10000111121093. The next prime is 10000111121149. The reversal of 10000111121111 is 11112111100001.

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 10000111121111 - 2¹⁴ = 10000111104727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10000111121092 and 10000111121101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000111126111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766835 + ... + 4537428.

It is an arithmetic number, because the mean of its divisors is an integer number (1258502937300).

Almost surely, 2^{10000111121111} is an apocalyptic number.

10000111121111 is a deficient number, since it is larger than the sum of its proper divisors (67912377289).

10000111121111 is a wasteful number, since it uses less digits than its factorization.

10000111121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5317065.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 10000111121111 its reverse (11112111100001), we get a palindrome (21112222221112).

It can be divided in two parts, 10000 and 111121111, that added together give a palindrome (111131111).

The spelling of 10000111121111 in words is "ten trillion, one hundred eleven million, one hundred twenty-one thousand, one hundred eleven".