20110001202101 has 4 divisors (see below), whose sum is σ = 20110019054400. Its totient is φ = 20109983349804.

The previous prime is 20110001202079. The next prime is 20110001202131. The reversal of 20110001202101 is 10120210001102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20110001202101 - 2¹⁴ = 20110001185717 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 (20110001202131) 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, 7113791 + ... + 9530268.

It is an arithmetic number, because the mean of its divisors is an integer number (5027504763600).

Almost surely, 2^{20110001202101} is an apocalyptic number.

It is an amenable number.

20110001202101 is a deficient number, since it is larger than the sum of its proper divisors (17852299).

20110001202101 is a wasteful number, since it uses less digits than its factorization.

20110001202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17852298.

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

Adding to 20110001202101 its reverse (10120210001102), we get a palindrome (30230211203203).

The spelling of 20110001202101 in words is "twenty trillion, one hundred ten billion, one million, two hundred two thousand, one hundred one".