2112333324221 has 16 divisors (see below), whose sum is σ = 2197831019328. Its totient is φ = 2028632899200.

The previous prime is 2112333324217. The next prime is 2112333324253. The reversal of 2112333324221 is 1224233332112.

It is not a de Polignac number, because 2112333324221 - 2² = 2112333324217 is a prime.

It is a super-2 number, since 2×2112333324221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112333320221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177815 + ... + 2063076.

It is an arithmetic number, because the mean of its divisors is an integer number (137364438708).

Almost surely, 2^{2112333324221} is an apocalyptic number.

It is an amenable number.

2112333324221 is a deficient number, since it is larger than the sum of its proper divisors (85497695107).

2112333324221 is a wasteful number, since it uses less digits than its factorization.

2112333324221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241292.

The product of its digits is 10368, while the sum is 29.

Adding to 2112333324221 its reverse (1224233332112), we get a palindrome (3336566656333).

The spelling of 2112333324221 in words is "two trillion, one hundred twelve billion, three hundred thirty-three million, three hundred twenty-four thousand, two hundred twenty-one".