22212212221011 has 8 divisors (see below), whose sum is σ = 31358417253264. Its totient is φ = 13937074334720.

The previous prime is 22212212221007. The next prime is 22212212221061. The reversal of 22212212221011 is 11012221221222.

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 22212212221011 - 2² = 22212212221007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22212212221061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217766786430 + ... + 217766786531.

It is an arithmetic number, because the mean of its divisors is an integer number (3919802156658).

Almost surely, 2^{22212212221011} is an apocalyptic number.

22212212221011 is a deficient number, since it is larger than the sum of its proper divisors (9146205032253).

22212212221011 is a wasteful number, since it uses less digits than its factorization.

22212212221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435533572981.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 22212212221011 its reverse (11012221221222), we get a palindrome (33224433442233).

The spelling of 22212212221011 in words is "twenty-two trillion, two hundred twelve billion, two hundred twelve million, two hundred twenty-one thousand, eleven".