2112221122010 has 16 divisors (see below), whose sum is σ = 3802542610176. Its totient is φ = 844767428688.

The previous prime is 2112221122009. The next prime is 2112221122019. The reversal of 2112221122010 is 102211222112.

It is a super-4 number, since 4×2112221122010⁴ (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112221122010.

It is not an unprimeable number, because it can be changed into a prime (2112221122019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15054194 + ... + 15193853.

It is an arithmetic number, because the mean of its divisors is an integer number (237658913136).

Almost surely, 2^{2112221122010} is an apocalyptic number.

2112221122010 is a deficient number, since it is larger than the sum of its proper divisors (1690321488166).

2112221122010 is a wasteful number, since it uses less digits than its factorization.

2112221122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30255037.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2112221122010 its reverse (102211222112), we get a palindrome (2214432344122).

The spelling of 2112221122010 in words is "two trillion, one hundred twelve billion, two hundred twenty-one million, one hundred twenty-two thousand, ten".