2112121114143 has 32 divisors (see below), whose sum is σ = 3015006230016. Its totient is φ = 1310575746048.

The previous prime is 2112121114127. The next prime is 2112121114171. The reversal of 2112121114143 is 3414111212112.

It is not a de Polignac number, because 2112121114143 - 2⁴ = 2112121114127 is a prime.

It is a super-2 number, since 2×2112121114143² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112121114183) 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 31 ways as a sum of consecutive naturals, for example, 1262880 + ... + 2412282.

It is an arithmetic number, because the mean of its divisors is an integer number (94218944688).

Almost surely, 2^{2112121114143} is an apocalyptic number.

2112121114143 is a deficient number, since it is larger than the sum of its proper divisors (902885115873).

2112121114143 is a wasteful number, since it uses less digits than its factorization.

2112121114143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149823.

The product of its digits is 384, while the sum is 24.

Adding to 2112121114143 its reverse (3414111212112), we get a palindrome (5526232326255).

The spelling of 2112121114143 in words is "two trillion, one hundred twelve billion, one hundred twenty-one million, one hundred fourteen thousand, one hundred forty-three".