20002023312101 has 2 divisors, whose sum is σ = 20002023312102. Its totient is φ = 20002023312100.

The previous prime is 20002023312091. The next prime is 20002023312133. The reversal of 20002023312101 is 10121332020002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15023368248001 + 4978655064100 = 3875999^2 + 2231290^2 .

It is a cyclic number.

It is not a de Polignac number, because 20002023312101 - 2¹⁴ = 20002023295717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20002023312101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20002023312301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001011656050 + 10001011656051.

It is an arithmetic number, because the mean of its divisors is an integer number (10001011656051).

Almost surely, 2^{20002023312101} is an apocalyptic number.

It is an amenable number.

20002023312101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002023312101 is an equidigital number, since it uses as much as digits as its factorization.

20002023312101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20002023312101 its reverse (10121332020002), we get a palindrome (30123355332103).

The spelling of 20002023312101 in words is "twenty trillion, two billion, twenty-three million, three hundred twelve thousand, one hundred one".