20010200212103 has 2 divisors, whose sum is σ = 20010200212104. Its totient is φ = 20010200212102.

The previous prime is 20010200212043. The next prime is 20010200212181. The reversal of 20010200212103 is 30121200201002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20010200212103 - 2¹⁸ = 20010199949959 is a prime.

It is a super-2 number, since 2×20010200212103² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20010200212703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005100106051 + 10005100106052.

It is an arithmetic number, because the mean of its divisors is an integer number (10005100106052).

Almost surely, 2^{20010200212103} is an apocalyptic number.

20010200212103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010200212103 is an equidigital number, since it uses as much as digits as its factorization.

20010200212103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20010200212103 its reverse (30121200201002), we get a palindrome (50131400413105).

The spelling of 20010200212103 in words is "twenty trillion, ten billion, two hundred million, two hundred twelve thousand, one hundred three".