20010312101 has 8 divisors (see below), whose sum is σ = 21555542904. Its totient is φ = 18465935040.

The previous prime is 20010312089. The next prime is 20010312149. The reversal of 20010312101 is 10121301002.

It can be written as a sum of positive squares in 4 ways, for example, as 65529025 + 19944783076 = 8095^2 + 141226^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 20010312101 - 2¹⁴ = 20010295717 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 (20010312401) 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, 164330 + ... + 258891.

It is an arithmetic number, because the mean of its divisors is an integer number (2694442863).

Almost surely, 2^20010312101 is an apocalyptic number.

It is an amenable number.

20010312101 is a deficient number, since it is larger than the sum of its proper divisors (1545230803).

20010312101 is a wasteful number, since it uses less digits than its factorization.

20010312101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426871.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 20010312101 its reverse (10121301002), we get a palindrome (30131613103).

The spelling of 20010312101 in words is "twenty billion, ten million, three hundred twelve thousand, one hundred one".