2112114400643 has 12 divisors (see below), whose sum is σ = 2335743795168. Its totient is φ = 1908162266400.

The previous prime is 2112114400619. The next prime is 2112114400657. The reversal of 2112114400643 is 3460044112112.

It is not a de Polignac number, because 2112114400643 - 2³⁸ = 1837236493699 is a prime.

It is a super-2 number, since 2×2112114400643² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112114400243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132946508 + ... + 132962393.

It is an arithmetic number, because the mean of its divisors is an integer number (194645316264).

Almost surely, 2^{2112114400643} is an apocalyptic number.

2112114400643 is a deficient number, since it is larger than the sum of its proper divisors (223629394525).

2112114400643 is a wasteful number, since it uses less digits than its factorization.

2112114400643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265908974 (or 265908961 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 2112114400643 its reverse (3460044112112), we get a palindrome (5572158512755).

The spelling of 2112114400643 in words is "two trillion, one hundred twelve billion, one hundred fourteen million, four hundred thousand, six hundred forty-three".