20012001011101 has 8 divisors (see below), whose sum is σ = 21970326531744. Its totient is φ = 18076850940720.

The previous prime is 20012001011039. The next prime is 20012001011129. The reversal of 20012001011101 is 10111010021002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20012001011101 - 2¹⁹ = 20012000486813 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 (20012001015101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5793860755 + ... + 5793864208.

It is an arithmetic number, because the mean of its divisors is an integer number (2746290816468).

Almost surely, 2^{20012001011101} is an apocalyptic number.

It is an amenable number.

20012001011101 is a deficient number, since it is larger than the sum of its proper divisors (1958325520643).

20012001011101 is a wasteful number, since it uses less digits than its factorization.

20012001011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11587725131.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20012001011101 its reverse (10111010021002), we get a palindrome (30123011032103).

Subtracting from 20012001011101 its reverse (10111010021002), we obtain a palindrome (9900990990099).

The spelling of 20012001011101 in words is "twenty trillion, twelve billion, one million, eleven thousand, one hundred one".