11110001000121 has 8 divisors (see below), whose sum is σ = 16459260740960. Its totient is φ = 7406667333396.

The previous prime is 11110001000113. The next prime is 11110001000129. The reversal of 11110001000121 is 12100010001111.

It is an interprime number because it is at equal distance from previous prime (11110001000113) and next prime (11110001000129).

It is not a de Polignac number, because 11110001000121 - 2³ = 11110001000113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11110001000129) 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, 205740759235 + ... + 205740759288.

It is an arithmetic number, because the mean of its divisors is an integer number (2057407592620).

Almost surely, 2^{11110001000121} is an apocalyptic number.

It is an amenable number.

11110001000121 is a deficient number, since it is larger than the sum of its proper divisors (5349259740839).

11110001000121 is an equidigital number, since it uses as much as digits as its factorization.

11110001000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411481518532 (or 411481518526 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 11110001000121 its reverse (12100010001111), we get a palindrome (23210011001232).

The spelling of 11110001000121 in words is "eleven trillion, one hundred ten billion, one million, one hundred twenty-one", and thus it is an aban number.