20010001101 has 8 divisors (see below), whose sum is σ = 26681561280. Its totient is φ = 13339220832.

The previous prime is 20010001093. The next prime is 20010001103. The reversal of 20010001101 is 10110001002.

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

It is not a de Polignac number, because 20010001101 - 2³ = 20010001093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20010001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010001103) 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, 132225 + ... + 239798.

It is an arithmetic number, because the mean of its divisors is an integer number (3335195160).

Almost surely, 2^20010001101 is an apocalyptic number.

It is an amenable number.

20010001101 is a deficient number, since it is larger than the sum of its proper divisors (6671560179).

20010001101 is a wasteful number, since it uses less digits than its factorization.

20010001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389955.

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 20010001101 its reverse (10110001002), we get a palindrome (30120002103).

Subtracting from 20010001101 its reverse (10110001002), we obtain a palindrome (9900000099).

The spelling of 20010001101 in words is "twenty billion, ten million, one thousand, one hundred one".