2111223303221 has 8 divisors (see below), whose sum is σ = 2245251046080. Its totient is φ = 1979486633088.

The previous prime is 2111223303209. The next prime is 2111223303247. The reversal of 2111223303221 is 1223033221112.

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

It is a cyclic number.

It is not a de Polignac number, because 2111223303221 - 2³⁴ = 2094043434037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111223303421) 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 7 ways as a sum of consecutive naturals, for example, 572766281 + ... + 572769966.

It is an arithmetic number, because the mean of its divisors is an integer number (280656380760).

Almost surely, 2^{2111223303221} is an apocalyptic number.

It is an amenable number.

2111223303221 is a deficient number, since it is larger than the sum of its proper divisors (134027742859).

2111223303221 is a wasteful number, since it uses less digits than its factorization.

2111223303221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145536363.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2111223303221 its reverse (1223033221112), we get a palindrome (3334256524333).

The spelling of 2111223303221 in words is "two trillion, one hundred eleven billion, two hundred twenty-three million, three hundred three thousand, two hundred twenty-one".