2112220111102 has 8 divisors (see below), whose sum is σ = 3192515893512. Its totient is φ = 1048048146600.

The previous prime is 2112220111097. The next prime is 2112220111103. The reversal of 2112220111102 is 2011110222112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2112220111102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112220111103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4030954149 + ... + 4030954672.

It is an arithmetic number, because the mean of its divisors is an integer number (399064486689).

Almost surely, 2^{2112220111102} is an apocalyptic number.

2112220111102 is a deficient number, since it is larger than the sum of its proper divisors (1080295782410).

2112220111102 is a wasteful number, since it uses less digits than its factorization.

2112220111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8061908954.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2112220111102 its reverse (2011110222112), we get a palindrome (4123330333214).

The spelling of 2112220111102 in words is "two trillion, one hundred twelve billion, two hundred twenty million, one hundred eleven thousand, one hundred two".