20101312101 has 8 divisors (see below), whose sum is σ = 28863422560. Its totient is φ = 12370038192.

The previous prime is 20101312087. The next prime is 20101312103. The reversal of 20101312101 is 10121310102.

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

It is not a de Polignac number, because 20101312101 - 2¹⁰ = 20101311077 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 (20101312103) 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, 257709091 + ... + 257709168.

It is an arithmetic number, because the mean of its divisors is an integer number (3607927820).

Almost surely, 2^20101312101 is an apocalyptic number.

It is an amenable number.

20101312101 is a deficient number, since it is larger than the sum of its proper divisors (8762110459).

20101312101 is a wasteful number, since it uses less digits than its factorization.

20101312101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515418275.

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

Adding to 20101312101 its reverse (10121310102), we get a palindrome (30222622203).

The spelling of 20101312101 in words is "twenty billion, one hundred one million, three hundred twelve thousand, one hundred one".