2122222100222 has 16 divisors (see below), whose sum is σ = 3641936757120. Its totient is φ = 908563325208.

The previous prime is 2122222100221. The next prime is 2122222100279. The reversal of 2122222100222 is 2220012222212.

It is a super-2 number, since 2×2122222100222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2122222100194 and 2122222100203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122222100221) 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, 80022272 + ... + 80048787.

It is an arithmetic number, because the mean of its divisors is an integer number (227621047320).

Almost surely, 2^{2122222100222} is an apocalyptic number.

2122222100222 is a deficient number, since it is larger than the sum of its proper divisors (1519714656898).

2122222100222 is a wasteful number, since it uses less digits than its factorization.

2122222100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160072015.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2122222100222 its reverse (2220012222212), we get a palindrome (4342234322434).

The spelling of 2122222100222 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred thousand, two hundred twenty-two".