2112131111230 has 32 divisors (see below), whose sum is σ = 4345847038656. Its totient is φ = 724010636544.

The previous prime is 2112131111221. The next prime is 2112131111239. The reversal of 2112131111230 is 321111312112.

It is an interprime number because it is at equal distance from previous prime (2112131111221) and next prime (2112131111239).

It is a super-2 number, since 2×2112131111230² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112131111198 and 2112131111207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112131111239) 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 15 ways as a sum of consecutive naturals, for example, 2752039 + ... + 3434818.

It is an arithmetic number, because the mean of its divisors is an integer number (135807719958).

Almost surely, 2^{2112131111230} is an apocalyptic number.

2112131111230 is an abundant number, since it is smaller than the sum of its proper divisors (2233715927426).

2112131111230 is a wasteful number, since it uses less digits than its factorization.

2112131111230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6191748.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 2112131111230 its reverse (321111312112), we get a palindrome (2433242423342).

The spelling of 2112131111230 in words is "two trillion, one hundred twelve billion, one hundred thirty-one million, one hundred eleven thousand, two hundred thirty".