20211012200213 has 2 divisors, whose sum is σ = 20211012200214. Its totient is φ = 20211012200212.

The previous prime is 20211012200179. The next prime is 20211012200231. The reversal of 20211012200213 is 31200221011202.

Together with next prime (20211012200231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18868190125009 + 1342822075204 = 4343753^2 + 1158802^2 .

It is a cyclic number.

It is not a de Polignac number, because 20211012200213 - 2³² = 20206717232917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20211012200191 and 20211012200200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20211012200273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105506100106 + 10105506100107.

It is an arithmetic number, because the mean of its divisors is an integer number (10105506100107).

Almost surely, 2^{20211012200213} is an apocalyptic number.

It is an amenable number.

20211012200213 is a deficient number, since it is larger than the sum of its proper divisors (1).

20211012200213 is an equidigital number, since it uses as much as digits as its factorization.

20211012200213 is an evil number, because the sum of its binary digits is even.

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

Adding to 20211012200213 its reverse (31200221011202), we get a palindrome (51411233211415).

The spelling of 20211012200213 in words is "twenty trillion, two hundred eleven billion, twelve million, two hundred thousand, two hundred thirteen".