22120222212011 has 32 divisors (see below), whose sum is σ = 29201207616000. Its totient is φ = 16222352601600.

The previous prime is 22120222211981. The next prime is 22120222212013. The reversal of 22120222212011 is 11021222202122.

It is a cyclic number.

It is not a de Polignac number, because 22120222212011 - 2⁶ = 22120222211947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22120222212013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113485865 + ... + 113680613.

It is an arithmetic number, because the mean of its divisors is an integer number (912537738000).

Almost surely, 2^{22120222212011} is an apocalyptic number.

22120222212011 is a deficient number, since it is larger than the sum of its proper divisors (7080985403989).

22120222212011 is a wasteful number, since it uses less digits than its factorization.

22120222212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281555.

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

Adding to 22120222212011 its reverse (11021222202122), we get a palindrome (33141444414133).

The spelling of 22120222212011 in words is "twenty-two trillion, one hundred twenty billion, two hundred twenty-two million, two hundred twelve thousand, eleven".