1110121112001 has 32 divisors (see below), whose sum is σ = 1618821388800. Its totient is φ = 671093164800.

The previous prime is 1110121111999. The next prime is 1110121112017. The reversal of 1110121112001 is 1002111210111.

It is not a de Polignac number, because 1110121112001 - 2¹ = 1110121111999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1110121112101) 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 31 ways as a sum of consecutive naturals, for example, 110005966 + ... + 110016056.

It is an arithmetic number, because the mean of its divisors is an integer number (50588168400).

Almost surely, 2^{1110121112001} is an apocalyptic number.

1110121112001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1110121112001 is a deficient number, since it is larger than the sum of its proper divisors (508700276799).

1110121112001 is a wasteful number, since it uses less digits than its factorization.

1110121112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18237.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1110121112001 its reverse (1002111210111), we get a palindrome (2112232322112).

The spelling of 1110121112001 in words is "one trillion, one hundred ten billion, one hundred twenty-one million, one hundred twelve thousand, one".