2112212122110 has 48 divisors (see below), whose sum is σ = 5520504188160. Its totient is φ = 560307574080.

The previous prime is 2112212122073. The next prime is 2112212122123. The reversal of 2112212122110 is 112212122112.

2112212122110 is a `hidden beast` number, since 21 + 1 + 221 + 212 + 211 + 0 = 666.

It is a super-2 number, since 2×2112212122110² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61420045 + ... + 61454424.

It is an arithmetic number, because the mean of its divisors is an integer number (115010503920).

Almost surely, 2^{2112212122110} is an apocalyptic number.

2112212122110 is an abundant number, since it is smaller than the sum of its proper divisors (3408292066050).

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

2112212122110 is a wasteful number, since it uses less digits than its factorization.

2112212122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122874673 (or 122874670 counting only the distinct ones).

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

Adding to 2112212122110 its reverse (112212122112), we get a palindrome (2224424244222).

It can be divided in two parts, 2112212 and 122110, that added together give a palindrome (2234322).

The spelling of 2112212122110 in words is "two trillion, one hundred twelve billion, two hundred twelve million, one hundred twenty-two thousand, one hundred ten".