2112131143 has 8 divisors (see below), whose sum is σ = 2265246000. Its totient is φ = 1963211328.

The previous prime is 2112131141. The next prime is 2112131149. The reversal of 2112131143 is 3411312112.

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

It is not a de Polignac number, because 2112131143 - 2¹ = 2112131141 is a prime.

It is a super-2 number, since 2×2112131143² = 8922195930460972898, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112131143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112131141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1047718 + ... + 1049731.

It is an arithmetic number, because the mean of its divisors is an integer number (283155750).

Almost surely, 2^2112131143 is an apocalyptic number.

2112131143 is a deficient number, since it is larger than the sum of its proper divisors (153114857).

2112131143 is a wasteful number, since it uses less digits than its factorization.

2112131143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097521.

The product of its digits is 144, while the sum is 19.

The square root of 2112131143 is about 45957.9279667828. The cubic root of 2112131143 is about 1283.0402873625.

Adding to 2112131143 its reverse (3411312112), we get a palindrome (5523443255).

The spelling of 2112131143 in words is "two billion, one hundred twelve million, one hundred thirty-one thousand, one hundred forty-three".