222120220311 has 24 divisors (see below), whose sum is σ = 350160619536. Its totient is φ = 134559469440.

The previous prime is 222120220249. The next prime is 222120220327. The reversal of 222120220311 is 113022021222.

It is not a de Polignac number, because 222120220311 - 2⁶ = 222120220247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120220111) 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 23 ways as a sum of consecutive naturals, for example, 262230 + ... + 716243.

It is an arithmetic number, because the mean of its divisors is an integer number (14590025814).

Almost surely, 2^222120220311 is an apocalyptic number.

222120220311 is a deficient number, since it is larger than the sum of its proper divisors (128040399225).

222120220311 is a wasteful number, since it uses less digits than its factorization.

222120220311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980783 (or 980780 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 222120220311 its reverse (113022021222), we get a palindrome (335142241533).

The spelling of 222120220311 in words is "two hundred twenty-two billion, one hundred twenty million, two hundred twenty thousand, three hundred eleven".