2122021112222 has 32 divisors (see below), whose sum is σ = 3508562996064. Its totient is φ = 954518992000.

The previous prime is 2122021112191. The next prime is 2122021112251. The reversal of 2122021112222 is 2222111202212.

It is a junction number, because it is equal to n+sod(n) for n = 2122021112194 and 2122021112203.

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 15 ways as a sum of consecutive naturals, for example, 4141988 + ... + 4626024.

It is an arithmetic number, because the mean of its divisors is an integer number (109642593627).

Almost surely, 2^{2122021112222} is an apocalyptic number.

2122021112222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2122021112222 is a deficient number, since it is larger than the sum of its proper divisors (1386541883842).

2122021112222 is a wasteful number, since it uses less digits than its factorization.

2122021112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486124.

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

Adding to 2122021112222 its reverse (2222111202212), we get a palindrome (4344132314434).

The spelling of 2122021112222 in words is "two trillion, one hundred twenty-two billion, twenty-one million, one hundred twelve thousand, two hundred twenty-two".