2112220201222 has 4 divisors (see below), whose sum is σ = 3168330301836. Its totient is φ = 1056110100610.

The previous prime is 2112220201177. The next prime is 2112220201249. The reversal of 2112220201222 is 2221020222112.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2112220201222² (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 2112220201222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528055050304 + ... + 528055050307.

It is an arithmetic number, because the mean of its divisors is an integer number (792082575459).

Almost surely, 2^{2112220201222} is an apocalyptic number.

2112220201222 is a deficient number, since it is larger than the sum of its proper divisors (1056110100614).

2112220201222 is a wasteful number, since it uses less digits than its factorization.

2112220201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056110100613.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2112220201222 its reverse (2221020222112), we get a palindrome (4333240423334).

The spelling of 2112220201222 in words is "two trillion, one hundred twelve billion, two hundred twenty million, two hundred one thousand, two hundred twenty-two".