22222221211011 has 16 divisors (see below), whose sum is σ = 30047142958848. Its totient is φ = 14606059524000.

The previous prime is 22222221210979. The next prime is 22222221211061. The reversal of 22222221211011 is 11011212222222.

It is not a de Polignac number, because 22222221211011 - 2⁵ = 22222221210979 is a prime.

It is a super-2 number, since 2×22222221211011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22222221211061) 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, 49479361 + ... + 49926461.

It is an arithmetic number, because the mean of its divisors is an integer number (1877946434928).

Almost surely, 2^{22222221211011} is an apocalyptic number.

22222221211011 is a deficient number, since it is larger than the sum of its proper divisors (7824921747837).

22222221211011 is a wasteful number, since it uses less digits than its factorization.

22222221211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680522.

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

Adding to 22222221211011 its reverse (11011212222222), we get a palindrome (33233433433233).

The spelling of 22222221211011 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred twenty-one million, two hundred eleven thousand, eleven".