10110121002001 has 4 divisors (see below), whose sum is σ = 10110137572404. Its totient is φ = 10110104431600.

The previous prime is 10110121001933. The next prime is 10110121002017. The reversal of 10110121002001 is 10020012101101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5691397492225 + 4418723509776 = 2385665^2 + 2102076^2 .

It is a cyclic number.

It is not a de Polignac number, because 10110121002001 - 2⁷ = 10110121001873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10110121032001) 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 3 ways as a sum of consecutive naturals, for example, 7333570 + ... + 8602411.

It is an arithmetic number, because the mean of its divisors is an integer number (2527534393101).

Almost surely, 2^{10110121002001} is an apocalyptic number.

It is an amenable number.

10110121002001 is a deficient number, since it is larger than the sum of its proper divisors (16570403).

10110121002001 is an equidigital number, since it uses as much as digits as its factorization.

10110121002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16570402.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10110121002001 its reverse (10020012101101), we get a palindrome (20130133103102).

The spelling of 10110121002001 in words is "ten trillion, one hundred ten billion, one hundred twenty-one million, two thousand, one".