2112221101102 has 16 divisors (see below), whose sum is σ = 3621370389120. Its totient is φ = 905132632248.

The previous prime is 2112221101021. The next prime is 2112221101157. The reversal of 2112221101102 is 2011011222112.

It is a super-2 number, since 2×2112221101102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8623452 + ... + 8865007.

It is an arithmetic number, because the mean of its divisors is an integer number (226335649320).

Almost surely, 2^{2112221101102} is an apocalyptic number.

2112221101102 is a deficient number, since it is larger than the sum of its proper divisors (1509149288018).

2112221101102 is a wasteful number, since it uses less digits than its factorization.

2112221101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17497095.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2112221101102 its reverse (2011011222112), we get a palindrome (4123232323214).

The spelling of 2112221101102 in words is "two trillion, one hundred twelve billion, two hundred twenty-one million, one hundred one thousand, one hundred two".