20201011210011 has 4 divisors (see below), whose sum is σ = 26934681613352. Its totient is φ = 13467340806672.

The previous prime is 20201011210001. The next prime is 20201011210013. The reversal of 20201011210011 is 11001211010202.

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

It is not a de Polignac number, because 20201011210011 - 2³³ = 20192421275419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201011210013) 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, 3366835201666 + ... + 3366835201671.

It is an arithmetic number, because the mean of its divisors is an integer number (6733670403338).

Almost surely, 2^{20201011210011} is an apocalyptic number.

20201011210011 is a deficient number, since it is larger than the sum of its proper divisors (6733670403341).

20201011210011 is an equidigital number, since it uses as much as digits as its factorization.

20201011210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6733670403340.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20201011210011 its reverse (11001211010202), we get a palindrome (31202222220213).

The spelling of 20201011210011 in words is "twenty trillion, two hundred one billion, eleven million, two hundred ten thousand, eleven".