2122112212110 has 48 divisors (see below), whose sum is σ = 6019081913520. Its totient is φ = 514451445120.

The previous prime is 2122112212097. The next prime is 2122112212117. The reversal of 2122112212110 is 112122112212.

2122112212110 is a `hidden beast` number, since 21 + 2 + 211 + 221 + 211 + 0 = 666.

It is a super-3 number, since 3×2122112212110³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122112212117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1071772855 + ... + 1071774834.

It is an arithmetic number, because the mean of its divisors is an integer number (125397539865).

Almost surely, 2^{2122112212110} is an apocalyptic number.

2122112212110 is an abundant number, since it is smaller than the sum of its proper divisors (3896969701410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2122112212110 is a wasteful number, since it uses less digits than its factorization.

2122112212110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143547713 (or 2143547710 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2122112212110 its reverse (112122112212), we get a palindrome (2234234324322).

The spelling of 2122112212110 in words is "two trillion, one hundred twenty-two billion, one hundred twelve million, two hundred twelve thousand, one hundred ten".