20202110211011 has 2 divisors, whose sum is σ = 20202110211012. Its totient is φ = 20202110211010.

The previous prime is 20202110211007. The next prime is 20202110211037. The reversal of 20202110211011 is 11011201120202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20202110211011 - 2² = 20202110211007 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20202115211011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101055105505 + 10101055105506.

It is an arithmetic number, because the mean of its divisors is an integer number (10101055105506).

Almost surely, 2^{20202110211011} is an apocalyptic number.

20202110211011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202110211011 is an equidigital number, since it uses as much as digits as its factorization.

20202110211011 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 14.

Adding to 20202110211011 its reverse (11011201120202), we get a palindrome (31213311331213).

The spelling of 20202110211011 in words is "twenty trillion, two hundred two billion, one hundred ten million, two hundred eleven thousand, eleven".