20011200022101 has 16 divisors (see below), whose sum is σ = 27005833096704. Its totient is φ = 13178716433904.

The previous prime is 20011200022019. The next prime is 20011200022103. The reversal of 20011200022101 is 10122000211002.

It is not a de Polignac number, because 20011200022101 - 2¹⁰ = 20011200021077 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011200022103) 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 15 ways as a sum of consecutive naturals, for example, 1682191 + ... + 6546156.

It is an arithmetic number, because the mean of its divisors is an integer number (1687864568544).

Almost surely, 2^{20011200022101} is an apocalyptic number.

It is an amenable number.

20011200022101 is a deficient number, since it is larger than the sum of its proper divisors (6994633074603).

20011200022101 is an equidigital number, since it uses as much as digits as its factorization.

20011200022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8238200.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20011200022101 its reverse (10122000211002), we get a palindrome (30133200233103).

The spelling of 20011200022101 in words is "twenty trillion, eleven billion, two hundred million, twenty-two thousand, one hundred one".