2121112223306 has 8 divisors (see below), whose sum is σ = 3221942617920. Its totient is φ = 1047131350668.

The previous prime is 2121112223257. The next prime is 2121112223333. The reversal of 2121112223306 is 6033222111212.

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

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, 6712380296 + ... + 6712380611.

It is an arithmetic number, because the mean of its divisors is an integer number (402742827240).

Almost surely, 2^{2121112223306} is an apocalyptic number.

2121112223306 is a deficient number, since it is larger than the sum of its proper divisors (1100830394614).

2121112223306 is a wasteful number, since it uses less digits than its factorization.

2121112223306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13424760988.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 2121112223306 its reverse (6033222111212), we get a palindrome (8154334334518).

The spelling of 2121112223306 in words is "two trillion, one hundred twenty-one billion, one hundred twelve million, two hundred twenty-three thousand, three hundred six".