2112111115234 has 8 divisors (see below), whose sum is σ = 3168216602028. Its totient is φ = 1056038914560.

The previous prime is 2112111115211. The next prime is 2112111115259. The reversal of 2112111115234 is 4325111112112.

It can be written as a sum of positive squares in 2 ways, for example, as 1794300435225 + 317810680009 = 1339515^2 + 563747^2 .

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

It is a super-2 number, since 2×2112111115234² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112111115199 and 2112111115208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8162287 + ... + 8417074.

Almost surely, 2^{2112111115234} is an apocalyptic number.

2112111115234 is a deficient number, since it is larger than the sum of its proper divisors (1056105486794).

2112111115234 is a wasteful number, since it uses less digits than its factorization.

2112111115234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16643060.

The product of its digits is 480, while the sum is 25.

Adding to 2112111115234 its reverse (4325111112112), we get a palindrome (6437222227346).

The spelling of 2112111115234 in words is "two trillion, one hundred twelve billion, one hundred eleven million, one hundred fifteen thousand, two hundred thirty-four".