222020330232311 has 4 divisors (see below), whose sum is σ = 239098817173272. Its totient is φ = 204941843291352.

The previous prime is 222020330232307. The next prime is 222020330232313. The reversal of 222020330232311 is 113232033020222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222020330232311 - 2² = 222020330232307 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 (222020330232313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8539243470461 + ... + 8539243470486.

It is an arithmetic number, because the mean of its divisors is an integer number (59774704293318).

Almost surely, 2^{222020330232311} is an apocalyptic number.

222020330232311 is a deficient number, since it is larger than the sum of its proper divisors (17078486940961).

222020330232311 is a wasteful number, since it uses less digits than its factorization.

222020330232311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17078486940960.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 222020330232311 its reverse (113232033020222), we get a palindrome (335252363252533).

The spelling of 222020330232311 in words is "two hundred twenty-two trillion, twenty billion, three hundred thirty million, two hundred thirty-two thousand, three hundred eleven".