2112124363666 has 16 divisors (see below), whose sum is σ = 3200026603104. Its totient is φ = 1045499249664.

The previous prime is 2112124363663. The next prime is 2112124363751. The reversal of 2112124363666 is 6663634212112.

It is a happy number.

It is a super-2 number, since 2×2112124363666² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112124363663) 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, 12521100 + ... + 12688663.

It is an arithmetic number, because the mean of its divisors is an integer number (200001662694).

Almost surely, 2^{2112124363666} is an apocalyptic number.

2112124363666 is a deficient number, since it is larger than the sum of its proper divisors (1087902239438).

2112124363666 is a wasteful number, since it uses less digits than its factorization.

2112124363666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25210185.

The product of its digits is 373248, while the sum is 43.

Adding to 2112124363666 its reverse (6663634212112), we get a palindrome (8775758575778).

The spelling of 2112124363666 in words is "two trillion, one hundred twelve billion, one hundred twenty-four million, three hundred sixty-three thousand, six hundred sixty-six".