20130003002101 has 4 divisors (see below), whose sum is σ = 21314120825772. Its totient is φ = 18945885178432.

The previous prime is 20130003002071. The next prime is 20130003002183. The reversal of 20130003002101 is 10120030003102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17006303776900 + 3123699225201 = 4123870^2 + 1767399^2 .

It is a cyclic number.

It is not a de Polignac number, because 20130003002101 - 2⁵ = 20130003002069 is a prime.

It is a super-2 number, since 2×20130003002101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130003032101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592058911810 + ... + 592058911843.

It is an arithmetic number, because the mean of its divisors is an integer number (5328530206443).

Almost surely, 2^{20130003002101} is an apocalyptic number.

It is an amenable number.

20130003002101 is a deficient number, since it is larger than the sum of its proper divisors (1184117823671).

20130003002101 is a wasteful number, since it uses less digits than its factorization.

20130003002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184117823670.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20130003002101 its reverse (10120030003102), we get a palindrome (30250033005203).

The spelling of 20130003002101 in words is "twenty trillion, one hundred thirty billion, three million, two thousand, one hundred one".