20111010020211 has 16 divisors (see below), whose sum is σ = 29252790489600. Its totient is φ = 12188319138720.

The previous prime is 20111010020203. The next prime is 20111010020239. The reversal of 20111010020211 is 11202001011102.

It is not a de Polignac number, because 20111010020211 - 2³ = 20111010020203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20111010020251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1897675 + ... + 6619908.

It is an arithmetic number, because the mean of its divisors is an integer number (1828299405600).

Almost surely, 2^{20111010020211} is an apocalyptic number.

20111010020211 is a deficient number, since it is larger than the sum of its proper divisors (9141780469389).

20111010020211 is a wasteful number, since it uses less digits than its factorization.

20111010020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8589146.

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

Adding to 20111010020211 its reverse (11202001011102), we get a palindrome (31313011031313).

The spelling of 20111010020211 in words is "twenty trillion, one hundred eleven billion, ten million, twenty thousand, two hundred eleven".