20100212102011 has 2 divisors, whose sum is σ = 20100212102012. Its totient is φ = 20100212102010.

The previous prime is 20100212101987. The next prime is 20100212102017. The reversal of 20100212102011 is 11020121200102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20100212102011 - 2¹⁷ = 20100211970939 is a prime.

It is a super-3 number, since 3×20100212102011³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20100212101982 and 20100212102000.

It is not a weakly prime, because it can be changed into another prime (20100212102017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050106051005 + 10050106051006.

It is an arithmetic number, because the mean of its divisors is an integer number (10050106051006).

Almost surely, 2^{20100212102011} is an apocalyptic number.

20100212102011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20100212102011 is an equidigital number, since it uses as much as digits as its factorization.

20100212102011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20100212102011 its reverse (11020121200102), we get a palindrome (31120333302113).

The spelling of 20100212102011 in words is "twenty trillion, one hundred billion, two hundred twelve million, one hundred two thousand, eleven".