222323021311 has 12 divisors (see below), whose sum is σ = 239926225392. Its totient is φ = 205297129856.

The previous prime is 222323021309. The next prime is 222323021357. The reversal of 222323021311 is 113120323222.

It is not a de Polignac number, because 222323021311 - 2¹ = 222323021309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222323021411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2280091 + ... + 2375596.

It is an arithmetic number, because the mean of its divisors is an integer number (19993852116).

Almost surely, 2^222323021311 is an apocalyptic number.

222323021311 is a deficient number, since it is larger than the sum of its proper divisors (17603204081).

222323021311 is an equidigital number, since it uses as much as digits as its factorization.

222323021311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4655810 (or 4655757 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 222323021311 its reverse (113120323222), we get a palindrome (335443344533).

The spelling of 222323021311 in words is "two hundred twenty-two billion, three hundred twenty-three million, twenty-one thousand, three hundred eleven".