222112201331 has 2 divisors, whose sum is σ = 222112201332. Its totient is φ = 222112201330.

The previous prime is 222112201307. The next prime is 222112201391. The reversal of 222112201331 is 133102211222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222112201331 - 2¹⁰ = 222112200307 is a prime.

It is a super-2 number, since 2×222112201331² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (222112201391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111056100665 + 111056100666.

It is an arithmetic number, because the mean of its divisors is an integer number (111056100666).

Almost surely, 2^222112201331 is an apocalyptic number.

222112201331 is a deficient number, since it is larger than the sum of its proper divisors (1).

222112201331 is an equidigital number, since it uses as much as digits as its factorization.

222112201331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 222112201331 its reverse (133102211222), we get a palindrome (355214412553).

The spelling of 222112201331 in words is "two hundred twenty-two billion, one hundred twelve million, two hundred one thousand, three hundred thirty-one".