20112120020211 has 4 divisors (see below), whose sum is σ = 26816160026952. Its totient is φ = 13408080013472.

The previous prime is 20112120020131. The next prime is 20112120020219. The reversal of 20112120020211 is 11202002121102.

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

It is a cyclic number.

It is not a de Polignac number, because 20112120020211 - 2²⁷ = 20111985802483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20112120020219) 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, 3352020003366 + ... + 3352020003371.

It is an arithmetic number, because the mean of its divisors is an integer number (6704040006738).

Almost surely, 2^{20112120020211} is an apocalyptic number.

20112120020211 is a deficient number, since it is larger than the sum of its proper divisors (6704040006741).

20112120020211 is an equidigital number, since it uses as much as digits as its factorization.

20112120020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6704040006740.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20112120020211 its reverse (11202002121102), we get a palindrome (31314122141313).

The spelling of 20112120020211 in words is "twenty trillion, one hundred twelve billion, one hundred twenty million, twenty thousand, two hundred eleven".