20210102001101 has 4 divisors (see below), whose sum is σ = 20216202246492. Its totient is φ = 20204001755712.

The previous prime is 20210102001097. The next prime is 20210102001191. The reversal of 20210102001101 is 10110020101202.

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 12376535080900 + 7833566920201 = 3518030^2 + 2798851^2 .

It is a cyclic number.

It is not a de Polignac number, because 20210102001101 - 2² = 20210102001097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210102001191) 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, 3050117726 + ... + 3050124351.

It is an arithmetic number, because the mean of its divisors is an integer number (5054050561623).

Almost surely, 2^{20210102001101} is an apocalyptic number.

It is an amenable number.

20210102001101 is a deficient number, since it is larger than the sum of its proper divisors (6100245391).

20210102001101 is an equidigital number, since it uses as much as digits as its factorization.

20210102001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100245390.

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

Adding to 20210102001101 its reverse (10110020101202), we get a palindrome (30320122102303).

The spelling of 20210102001101 in words is "twenty trillion, two hundred ten billion, one hundred two million, one thousand, one hundred one".