2112220110222 has 24 divisors (see below), whose sum is σ = 4700165471976. Its totient is φ = 685044359856.

The previous prime is 2112220110211. The next prime is 2112220110263. The reversal of 2112220110222 is 2220110222112.

It is a happy number.

2112220110222 is a `hidden beast` number, since 2 + 112 + 220 + 110 + 222 = 666.

It is a super-2 number, since 2×2112220110222² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2112220110195 and 2112220110204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1585750168 + ... + 1585751499.

It is an arithmetic number, because the mean of its divisors is an integer number (195840227999).

Almost surely, 2^{2112220110222} is an apocalyptic number.

2112220110222 is an abundant number, since it is smaller than the sum of its proper divisors (2587945361754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2112220110222 is a wasteful number, since it uses less digits than its factorization.

2112220110222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3171501712 (or 3171501709 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2112220110222 its reverse (2220110222112), we get a palindrome (4332330332334).

The spelling of 2112220110222 in words is "two trillion, one hundred twelve billion, two hundred twenty million, one hundred ten thousand, two hundred twenty-two".