2121112131230 has 8 divisors (see below), whose sum is σ = 3818001836232. Its totient is φ = 848444852488.

The previous prime is 2121112131227. The next prime is 2121112131233. The reversal of 2121112131230 is 321312111212.

It is an interprime number because it is at equal distance from previous prime (2121112131227) and next prime (2121112131233).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121112131233) 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 3 ways as a sum of consecutive naturals, for example, 106055606552 + ... + 106055606571.

It is an arithmetic number, because the mean of its divisors is an integer number (477250229529).

Almost surely, 2^{2121112131230} is an apocalyptic number.

2121112131230 is a deficient number, since it is larger than the sum of its proper divisors (1696889705002).

2121112131230 is a wasteful number, since it uses less digits than its factorization.

2121112131230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212111213130.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2121112131230 its reverse (321312111212), we get a palindrome (2442424242442).

The spelling of 2121112131230 in words is "two trillion, one hundred twenty-one billion, one hundred twelve million, one hundred thirty-one thousand, two hundred thirty".