2111223330321 has 16 divisors (see below), whose sum is σ = 3219678000000. Its totient is φ = 1205447413248.

The previous prime is 2111223330313. The next prime is 2111223330341. The reversal of 2111223330321 is 1230333221112.

It is not a de Polignac number, because 2111223330321 - 2³ = 2111223330313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2111223330291 and 2111223330300.

It is not an unprimeable number, because it can be changed into a prime (2111223330341) 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, 40219746 + ... + 40272203.

It is an arithmetic number, because the mean of its divisors is an integer number (201229875000).

Almost surely, 2^{2111223330321} is an apocalyptic number.

2111223330321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2111223330321 is a deficient number, since it is larger than the sum of its proper divisors (1108454669679).

2111223330321 is a wasteful number, since it uses less digits than its factorization.

2111223330321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80493208.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2111223330321 its reverse (1230333221112), we get a palindrome (3341556551433).

The spelling of 2111223330321 in words is "two trillion, one hundred eleven billion, two hundred twenty-three million, three hundred thirty thousand, three hundred twenty-one".