20112110212211 has 8 divisors (see below), whose sum is σ = 20760960484224. Its totient is φ = 19463264472960.

The previous prime is 20112110212177. The next prime is 20112110212237. The reversal of 20112110212211 is 11221201121102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20112110212211 - 2³⁰ = 20111036470387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20112110212211.

It is not an unprimeable number, because it can be changed into a prime (20112110212261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9454385 + ... + 11384621.

It is an arithmetic number, because the mean of its divisors is an integer number (2595120060528).

Almost surely, 2^{20112110212211} is an apocalyptic number.

20112110212211 is a deficient number, since it is larger than the sum of its proper divisors (648850272013).

20112110212211 is a wasteful number, since it uses less digits than its factorization.

20112110212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266381.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 20112110212211 its reverse (11221201121102), we get a palindrome (31333311333313).

The spelling of 20112110212211 in words is "twenty trillion, one hundred twelve billion, one hundred ten million, two hundred twelve thousand, two hundred eleven".