20120120120211 has 4 divisors (see below), whose sum is σ = 26826826826952. Its totient is φ = 13413413413472.

The previous prime is 20120120120189. The next prime is 20120120120257. The reversal of 20120120120211 is 11202102102102.

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 20120120120211 - 2¹⁴ = 20120120103827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20120120620211) 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, 3353353353366 + ... + 3353353353371.

It is an arithmetic number, because the mean of its divisors is an integer number (6706706706738).

Almost surely, 2^{20120120120211} is an apocalyptic number.

20120120120211 is a deficient number, since it is larger than the sum of its proper divisors (6706706706741).

20120120120211 is an equidigital number, since it uses as much as digits as its factorization.

20120120120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6706706706740.

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

Adding to 20120120120211 its reverse (11202102102102), we get a palindrome (31322222222313).

The spelling of 20120120120211 in words is "twenty trillion, one hundred twenty billion, one hundred twenty million, one hundred twenty thousand, two hundred eleven".