20212110211043 has 2 divisors, whose sum is σ = 20212110211044. Its totient is φ = 20212110211042.

The previous prime is 20212110211001. The next prime is 20212110211171. The reversal of 20212110211043 is 34011201121202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20212110211043 - 2¹² = 20212110206947 is a prime.

It is not a weakly prime, because it can be changed into another prime (20212110211343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106055105521 + 10106055105522.

It is an arithmetic number, because the mean of its divisors is an integer number (10106055105522).

Almost surely, 2^{20212110211043} is an apocalyptic number.

20212110211043 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212110211043 is an equidigital number, since it uses as much as digits as its factorization.

20212110211043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 20212110211043 its reverse (34011201121202), we get a palindrome (54223311332245).

The spelling of 20212110211043 in words is "twenty trillion, two hundred twelve billion, one hundred ten million, two hundred eleven thousand, forty-three".