22011112222222 has 16 divisors (see below), whose sum is σ = 33034479901632. Its totient is φ = 10999620529920.

The previous prime is 22011112222201. The next prime is 22011112222223. The reversal of 22011112222222 is 22222221111022.

It is a super-2 number, since 2×22011112222222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22011112222193 and 22011112222202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011112222223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27229963 + ... + 28026649.

It is an arithmetic number, because the mean of its divisors is an integer number (2064654993852).

Almost surely, 2^{22011112222222} is an apocalyptic number.

22011112222222 is a deficient number, since it is larger than the sum of its proper divisors (11023367679410).

22011112222222 is a wasteful number, since it uses less digits than its factorization.

22011112222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804123.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 22011112222222 its reverse (22222221111022), we get a palindrome (44233333333244).

The spelling of 22011112222222 in words is "twenty-two trillion, eleven billion, one hundred twelve million, two hundred twenty-two thousand, two hundred twenty-two".