222120111229 has 2 divisors, whose sum is σ = 222120111230. Its totient is φ = 222120111228.

The previous prime is 222120111221. The next prime is 222120111233. The reversal of 222120111229 is 922111021222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120633266329 + 101486844900 = 347323^2 + 318570^2 .

It is a cyclic number.

It is not a de Polignac number, because 222120111229 - 2³ = 222120111221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222120111221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060055614 + 111060055615.

It is an arithmetic number, because the mean of its divisors is an integer number (111060055615).

Almost surely, 2^222120111229 is an apocalyptic number.

It is an amenable number.

222120111229 is a deficient number, since it is larger than the sum of its proper divisors (1).

222120111229 is an equidigital number, since it uses as much as digits as its factorization.

222120111229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 222120111229 in words is "two hundred twenty-two billion, one hundred twenty million, one hundred eleven thousand, two hundred twenty-nine".