20120222122211 has 8 divisors (see below), whose sum is σ = 20589514545600. Its totient is φ = 19650992438952.

The previous prime is 20120222122201. The next prime is 20120222122223. The reversal of 20120222122211 is 11222122202102.

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 20120222122211 - 2³⁸ = 19845344215267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20120222122201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15035861 + ... + 16319238.

It is an arithmetic number, because the mean of its divisors is an integer number (2573689318200).

Almost surely, 2^{20120222122211} is an apocalyptic number.

20120222122211 is a deficient number, since it is larger than the sum of its proper divisors (469292423389).

20120222122211 is a wasteful number, since it uses less digits than its factorization.

20120222122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31370065.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20120222122211 its reverse (11222122202102), we get a palindrome (31342344324313).

The spelling of 20120222122211 in words is "twenty trillion, one hundred twenty billion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred eleven".