10200020011001 has 4 divisors (see below), whose sum is σ = 10200042268404. Its totient is φ = 10199997753600.

The previous prime is 10200020010979. The next prime is 10200020011003. The reversal of 10200020011001 is 10011002000201.

10200020011001 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.

It can be written as a sum of positive squares in 2 ways, for example, as 4005197687401 + 6194822323600 = 2001299^2 + 2488940^2 .

It is a cyclic number.

It is not a de Polignac number, because 10200020011001 - 2³⁸ = 9925142104057 is a prime.

It is a super-2 number, since 2×10200020011001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10200020011001.

It is not an unprimeable number, because it can be changed into a prime (10200020011003) 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, 10426520 + ... + 11362761.

It is an arithmetic number, because the mean of its divisors is an integer number (2550010567101).

Almost surely, 2^{10200020011001} is an apocalyptic number.

It is an amenable number.

10200020011001 is a deficient number, since it is larger than the sum of its proper divisors (22257403).

10200020011001 is an equidigital number, since it uses as much as digits as its factorization.

10200020011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22257402.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10200020011001 its reverse (10011002000201), we get a palindrome (20211022011202).

The spelling of 10200020011001 in words is "ten trillion, two hundred billion, twenty million, eleven thousand, one".