11001110121 has 8 divisors (see below), whose sum is σ = 16297940960. Its totient is φ = 7334073396.

The previous prime is 11001110083. The next prime is 11001110129. The reversal of 11001110121 is 12101110011.

It is not a de Polignac number, because 11001110121 - 2⁷ = 11001109993 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 not an unprimeable number, because it can be changed into a prime (11001110129) 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, 203724235 + ... + 203724288.

It is an arithmetic number, because the mean of its divisors is an integer number (2037242620).

Almost surely, 2^11001110121 is an apocalyptic number.

It is an amenable number.

11001110121 is a deficient number, since it is larger than the sum of its proper divisors (5296830839).

11001110121 is an equidigital number, since it uses as much as digits as its factorization.

11001110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407448532 (or 407448526 counting only the distinct ones).

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

Adding to 11001110121 its reverse (12101110011), we get a palindrome (23102220132).

It can be divided in two parts, 11001 and 110121, that multiplied together give a palindrome (1211441121).

The spelling of 11001110121 in words is "eleven billion, one million, one hundred ten thousand, one hundred twenty-one".