20011000101 has 8 divisors (see below), whose sum is σ = 28250823744. Its totient is φ = 12555921600.

The previous prime is 20011000099. The next prime is 20011000111. The reversal of 20011000101 is 10100011002.

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

It is not a de Polignac number, because 20011000101 - 2¹ = 20011000099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20011000101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011000111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196186225 + ... + 196186326.

It is an arithmetic number, because the mean of its divisors is an integer number (3531352968).

Almost surely, 2^20011000101 is an apocalyptic number.

It is an amenable number.

20011000101 is a deficient number, since it is larger than the sum of its proper divisors (8239823643).

20011000101 is a wasteful number, since it uses less digits than its factorization.

20011000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392372571.

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

Adding to 20011000101 its reverse (10100011002), we get a palindrome (30111011103).

The spelling of 20011000101 in words is "twenty billion, eleven million, one hundred one", and thus it is an aban number.