10020011122001 has 4 divisors (see below), whose sum is σ = 10020017496372. Its totient is φ = 10020004747632.

The previous prime is 10020011121947. The next prime is 10020011122003. The reversal of 10020011122001 is 10022111002001.

10020011122001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6567308280976 + 3452702841025 = 2562676^2 + 1858145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10020011122001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10020011122003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1036091 + ... + 4594943.

It is an arithmetic number, because the mean of its divisors is an integer number (2505004374093).

Almost surely, 2^{10020011122001} is an apocalyptic number.

It is an amenable number.

10020011122001 is a deficient number, since it is larger than the sum of its proper divisors (6374371).

10020011122001 is an equidigital number, since it uses as much as digits as its factorization.

10020011122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6374370.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10020011122001 its reverse (10022111002001), we get a palindrome (20042122124002).

The spelling of 10020011122001 in words is "ten trillion, twenty billion, eleven million, one hundred twenty-two thousand, one".