22120021122211 has 8 divisors (see below), whose sum is σ = 22125672318464. Its totient is φ = 22114370613960.

The previous prime is 22120021122203. The next prime is 22120021122217. The reversal of 22120021122211 is 11222112002122.

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 22120021122211 - 2³ = 22120021122203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22120021122217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67497796 + ... + 67824718.

It is an arithmetic number, because the mean of its divisors is an integer number (2765709039808).

Almost surely, 2^{22120021122211} is an apocalyptic number.

22120021122211 is a deficient number, since it is larger than the sum of its proper divisors (5651196253).

22120021122211 is a wasteful number, since it uses less digits than its factorization.

22120021122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344001.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22120021122211 its reverse (11222112002122), we get a palindrome (33342133124333).

The spelling of 22120021122211 in words is "twenty-two trillion, one hundred twenty billion, twenty-one million, one hundred twenty-two thousand, two hundred eleven".