20002102211213 has 4 divisors (see below), whose sum is σ = 20489958362748. Its totient is φ = 19514246059680.

The previous prime is 20002102211207. The next prime is 20002102211219. The reversal of 20002102211213 is 31211220120002.

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

It is an interprime number because it is at equal distance from previous prime (20002102211207) and next prime (20002102211219).

It can be written as a sum of positive squares in 2 ways, for example, as 3479519430409 + 16522582780804 = 1865347^2 + 4064798^2 .

It is a cyclic number.

It is not a de Polignac number, because 20002102211213 - 2⁸ = 20002102210957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20002102211191 and 20002102211200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002102211219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243928075706 + ... + 243928075787.

It is an arithmetic number, because the mean of its divisors is an integer number (5122489590687).

Almost surely, 2^{20002102211213} is an apocalyptic number.

It is an amenable number.

20002102211213 is a deficient number, since it is larger than the sum of its proper divisors (487856151535).

20002102211213 is an equidigital number, since it uses as much as digits as its factorization.

20002102211213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487856151534.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20002102211213 its reverse (31211220120002), we get a palindrome (51213322331215).

The spelling of 20002102211213 in words is "twenty trillion, two billion, one hundred two million, two hundred eleven thousand, two hundred thirteen".