2112210121222 has 8 divisors (see below), whose sum is σ = 3270518897472. Its totient is φ = 1022037155400.

The previous prime is 2112210121171. The next prime is 2112210121237. The reversal of 2112210121222 is 2221210122112.

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

It is a super-2 number, since 2×2112210121222² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112210121222.

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 3 ways as a sum of consecutive naturals, for example, 17033952529 + ... + 17033952652.

It is an arithmetic number, because the mean of its divisors is an integer number (408814862184).

Almost surely, 2^{2112210121222} is an apocalyptic number.

2112210121222 is a deficient number, since it is larger than the sum of its proper divisors (1158308776250).

2112210121222 is a wasteful number, since it uses less digits than its factorization.

2112210121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34067905214.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2112210121222 its reverse (2221210122112), we get a palindrome (4333420243334).

The spelling of 2112210121222 in words is "two trillion, one hundred twelve billion, two hundred ten million, one hundred twenty-one thousand, two hundred twenty-two".