20102020210011 has 4 divisors (see below), whose sum is σ = 26802693613352. Its totient is φ = 13401346806672.

The previous prime is 20102020210007. The next prime is 20102020210043. The reversal of 20102020210011 is 11001202020102.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20102020210011 - 2² = 20102020210007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20102020210061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3350336701666 + ... + 3350336701671.

It is an arithmetic number, because the mean of its divisors is an integer number (6700673403338).

Almost surely, 2^{20102020210011} is an apocalyptic number.

20102020210011 is a deficient number, since it is larger than the sum of its proper divisors (6700673403341).

20102020210011 is an equidigital number, since it uses as much as digits as its factorization.

20102020210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6700673403340.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20102020210011 its reverse (11001202020102), we get a palindrome (31103222230113).

The spelling of 20102020210011 in words is "twenty trillion, one hundred two billion, twenty million, two hundred ten thousand, eleven".