2112221202122 has 8 divisors (see below), whose sum is σ = 3222032342400. Its totient is φ = 1038210421324.

The previous prime is 2112221202103. The next prime is 2112221202191. The reversal of 2112221202122 is 2212021222112.

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

It is a super-2 number, since 2×2112221202122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112221202094 and 2112221202103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8950089722 + ... + 8950089957.

It is an arithmetic number, because the mean of its divisors is an integer number (402754042800).

Almost surely, 2^{2112221202122} is an apocalyptic number.

2112221202122 is a deficient number, since it is larger than the sum of its proper divisors (1109811140278).

2112221202122 is a wasteful number, since it uses less digits than its factorization.

2112221202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17900179740.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2112221202122 its reverse (2212021222112), we get a palindrome (4324242424234).

The spelling of 2112221202122 in words is "two trillion, one hundred twelve billion, two hundred twenty-one million, two hundred two thousand, one hundred twenty-two".