12222122020211 has 16 divisors (see below), whose sum is σ = 12465067200768. Its totient is φ = 11981607276000.

The previous prime is 12222122020153. The next prime is 12222122020223. The reversal of 12222122020211 is 11202022122221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12222122020211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12222122022211) 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, 63684980 + ... + 63876606.

It is an arithmetic number, because the mean of its divisors is an integer number (779066700048).

Almost surely, 2^{12222122020211} is an apocalyptic number.

12222122020211 is a deficient number, since it is larger than the sum of its proper divisors (242945180557).

12222122020211 is a wasteful number, since it uses less digits than its factorization.

12222122020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197962.

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

Adding to 12222122020211 its reverse (11202022122221), we get a palindrome (23424144142432).

It can be divided in two parts, 1222212 and 2020211, that added together give a palindrome (3242423).

The spelling of 12222122020211 in words is "twelve trillion, two hundred twenty-two billion, one hundred twenty-two million, twenty thousand, two hundred eleven".