22012112102222 has 16 divisors (see below), whose sum is σ = 36020492733744. Its totient is φ = 10005318576000.

The previous prime is 22012112102161. The next prime is 22012112102257. The reversal of 22012112102222 is 22220121121022.

It is a junction number, because it is equal to n+sod(n) for n = 22012112102194 and 22012112102203.

It is a congruent number.

It is an unprimeable number.

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, 8138429 + ... + 10500392.

It is an arithmetic number, because the mean of its divisors is an integer number (2251280795859).

Almost surely, 2^{22012112102222} is an apocalyptic number.

22012112102222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22012112102222 is a deficient number, since it is larger than the sum of its proper divisors (14008380631522).

22012112102222 is a wasteful number, since it uses less digits than its factorization.

22012112102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18692515.

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

Adding to 22012112102222 its reverse (22220121121022), we get a palindrome (44232233223244).

It can be divided in two parts, 220121121022 and 22, that multiplied together give a palindrome (4842664662484).

The spelling of 22012112102222 in words is "twenty-two trillion, twelve billion, one hundred twelve million, one hundred two thousand, two hundred twenty-two".