2112221101210 has 64 divisors (see below), whose sum is σ = 4194690634368. Its totient is φ = 759388000000.

The previous prime is 2112221101189. The next prime is 2112221101273. The reversal of 2112221101210 is 121011222112.

It is a super-3 number, since 3×2112221101210³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7652505 + ... + 7923715.

It is an arithmetic number, because the mean of its divisors is an integer number (65542041162).

Almost surely, 2^{2112221101210} is an apocalyptic number.

2112221101210 is a deficient number, since it is larger than the sum of its proper divisors (2082469533158).

2112221101210 is a wasteful number, since it uses less digits than its factorization.

2112221101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272031.

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

Adding to 2112221101210 its reverse (121011222112), we get a palindrome (2233232323322).

The spelling of 2112221101210 in words is "two trillion, one hundred twelve billion, two hundred twenty-one million, one hundred one thousand, two hundred ten".