1110012121001 has 16 divisors (see below), whose sum is σ = 1335620213760. Its totient is φ = 901182808080.

The previous prime is 1110012120983. The next prime is 1110012121021. The reversal of 1110012121001 is 1001212100111.

It is a cyclic number.

It is not a de Polignac number, because 1110012121001 - 2¹⁰ = 1110012119977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1110012121021) 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 15 ways as a sum of consecutive naturals, for example, 166301 + ... + 1499226.

It is an arithmetic number, because the mean of its divisors is an integer number (83476263360).

Almost surely, 2^{1110012121001} is an apocalyptic number.

It is an amenable number.

1110012121001 is a deficient number, since it is larger than the sum of its proper divisors (225608092759).

1110012121001 is a wasteful number, since it uses less digits than its factorization.

1110012121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670564.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1110012121001 its reverse (1001212100111), we get a palindrome (2111224221112).

It can be divided in two parts, 11 and 10012121001, that multiplied together give a palindrome (110133331011).

The spelling of 1110012121001 in words is "one trillion, one hundred ten billion, twelve million, one hundred twenty-one thousand, one".