10011010201121 has 4 divisors (see below), whose sum is σ = 10035975314244. Its totient is φ = 9986045088000.

The previous prime is 10011010201111. The next prime is 10011010201169. The reversal of 10011010201121 is 12110201011001.

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 6781571181025 + 3229439020096 = 2604145^2 + 1797064^2 .

It is a cyclic number.

It is not a de Polignac number, because 10011010201121 - 2¹⁸ = 10011009938977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10011010201111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12482555960 + ... + 12482556761.

It is an arithmetic number, because the mean of its divisors is an integer number (2508993828561).

Almost surely, 2^{10011010201121} is an apocalyptic number.

It is an amenable number.

10011010201121 is a deficient number, since it is larger than the sum of its proper divisors (24965113123).

10011010201121 is an equidigital number, since it uses as much as digits as its factorization.

10011010201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24965113122.

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

Adding to 10011010201121 its reverse (12110201011001), we get a palindrome (22121211212122).

The spelling of 10011010201121 in words is "ten trillion, eleven billion, ten million, two hundred one thousand, one hundred twenty-one".