2112111210122 has 8 divisors (see below), whose sum is σ = 3181422744000. Its totient is φ = 1051636962124.

The previous prime is 2112111210091. The next prime is 2112111210127. The reversal of 2112111210122 is 2210121112112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2112111210122² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112111210122.

It is not an unprimeable number, because it can be changed into a prime (2112111210127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2209320872 + ... + 2209321827.

It is an arithmetic number, because the mean of its divisors is an integer number (397677843000).

Almost surely, 2^{2112111210122} is an apocalyptic number.

2112111210122 is a deficient number, since it is larger than the sum of its proper divisors (1069311533878).

2112111210122 is a wasteful number, since it uses less digits than its factorization.

2112111210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4418642940.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2112111210122 its reverse (2210121112112), we get a palindrome (4322232322234).

The spelling of 2112111210122 in words is "two trillion, one hundred twelve billion, one hundred eleven million, two hundred ten thousand, one hundred twenty-two".