2112220212122 has 16 divisors (see below), whose sum is σ = 3190034080800. Its totient is φ = 1048877473488.

The previous prime is 2112220212121. The next prime is 2112220212139. The reversal of 2112220212122 is 2212120222112.

It is a super-2 number, since 2×2112220212122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112220212094 and 2112220212103.

It is not an unprimeable number, because it can be changed into a prime (2112220212121) 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, 1692473 + ... + 2662499.

It is an arithmetic number, because the mean of its divisors is an integer number (199377130050).

Almost surely, 2^{2112220212122} is an apocalyptic number.

2112220212122 is a deficient number, since it is larger than the sum of its proper divisors (1077813868678).

2112220212122 is a wasteful number, since it uses less digits than its factorization.

2112220212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977485.

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

Adding to 2112220212122 its reverse (2212120222112), we get a palindrome (4324340434234).

The spelling of 2112220212122 in words is "two trillion, one hundred twelve billion, two hundred twenty million, two hundred twelve thousand, one hundred twenty-two".