10111121120111 has 8 divisors (see below), whose sum is σ = 11144028527184. Its totient is φ = 9097166142720.

The previous prime is 10111121120099. The next prime is 10111121120129. The reversal of 10111121120111 is 11102112111101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10111121120111 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 (10111121120141) 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, 4738106300 + ... + 4738108433.

It is an arithmetic number, because the mean of its divisors is an integer number (1393003565898).

Almost surely, 2^{10111121120111} is an apocalyptic number.

10111121120111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10111121120111 is a deficient number, since it is larger than the sum of its proper divisors (1032907407073).

10111121120111 is an equidigital number, since it uses as much as digits as its factorization.

10111121120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9476214841.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 10111121120111 its reverse (11102112111101), we get a palindrome (21213233231212).

The spelling of 10111121120111 in words is "ten trillion, one hundred eleven billion, one hundred twenty-one million, one hundred twenty thousand, one hundred eleven".